Subject Index

Activity in linear programming, 214, 215, 220

Activity level, 214, 220

      unit, 214

Adaptive control process, 204, 206

Adaptive system, 204, 205

Addition of convolution quotients, 12

Adjoint of matrix, 322

Airy integral, 152, 153

Aitkin method, 396

Algebra of convolution quotients, 13

Alternating-direction method, 405–407

Alternative symmetrization, 435–437, 439

Amplitude, complex, 285

Anisotropic medium, 301

Annular Hankel transform, 96

Antenna, 334, 335

Antiderivative of a distribution, 33

Artificial variable, 227

Asymptotic formula, 133, 137, 147–150, 161, 162

Asymptotic series, 133–163

Atomic-interaction phenomena, 133

Attached shock, 371

Axis of symmetry, 425, 428, 429, 439, 440

Banach space, 49

Bang-bang control process, 200, 202

Basic feasible solution, 224, 225

Basic variables in linear programming, 222

Basis, 61

Bernoulli equation, 365

Bernoulli number, 144

Bernoulli theorem, 262

Bessel function, 92, 125, 136–138, 142

Bessel transform, 70

Bilateral network, 299

Binary reaction, 278, 279

Bound of operator, 109

Boundary conditions, 117, 119–128

      local, 117, 174, 179

Boundary mesh point, 379

Boundary-value problem, 23, 119–128, 376–384

      for bubble, 365–368

      eigenvalue for, 429

      for heat conduction, 85, 97

      for oscillating piston, 90

      for ruin problem, 173, 174

      for supersonic flow, 87

      two-point, 197

Branching process, 261, 264–270

      multidemensional, 270–275

Bromwich contour integral, 54, 55

Brouwer fixed-point theorem, 323

Brownian motion, 169

Bubble problem, 365–368

Calculus of variations, 196, 197

      boundary-value problem, 197

      computational aspects, 202, 206

      constraints, 197

          inequality, 200

      implicit functionals, 198, 200, 201

      linearity, 198, 199

      nonlinearity, 199, 200

      quadratic criteria, 198, 199, 203

      relative extrema, 197

Canonical form in linear programming, 222

Canonical system of equations, 352

Capacity, of channel, 185, 186, 191–193

      of firm, 239, 240

Cascade problem, 282, 298–301

      solution, 303, 304

Catastrophies, catalogue, 197, 198

Cauchy problem, 101, 104, 111, 112, 347–371

      for elliptic equation, 360–365

      time-invariant, 101, 112

Cauchy sequence, 106

Cavity-flow problem, 408–410

Center of symmetry, 439–441

Central limit theorem, 167, 172

Channel, 183

      binary symmetric, 192

      capacity, 185, 186

          fundamental theorem for, 187

          inequality for, 187–190

      code, 183, 190

      entropy, 183–185

          inequalities for, 184, 185

      finite-state, 190, 191

          capacity, 191

          indecomposability, 190

      input set for, 183, 193

      memoryless, 190, 193

      multistate, 190, 191

      output set for, 183, 193

      probability law, 183

      state, 190

          attainable, 190

          double, 191, 192

          single, 190

Characteristic curves of differential equation, 350

Chebyshev polynomial, 395

Closed operator, 108

Closure principle, 315–317, 319–321

Code, 183, 190

      maximum error probability for, 183

Coin-tossing game, 171

Commutative networks, 297

Commutative ring, 10

Complement, orthogonal, 107

Complete Hilbert space, 106

Complex amplitude, 285

Complex euclidean space, 114, 115

Complex Fourier transform (see Fourier transform)

Complex potential, 365

Complex row vector, 322

      length, 322

Composite transformation, 272

Conditional entropy, 185

Cone, 24

Connected network, 383

Constant distribution, 33

Constraints in calculus of variations, 197, 198

Continued fraction, 146, 147

Continuous operator, 108

Contour integral of Bromwich, 54, 55

Contraction operator, 111–114, 131

Control, terminal, 196

Control process, 194, 195

      adaptive, 204–206

Control process, bang-bang, 200, 202

      deterministic, 196–202

      feedback, 195

      illustrative example, 206–209

          adaptive case, 208, 209

          deterministic case, 207

          stochastic case, 207, 208

      stochastic, 202–204

Convergence, of convolution quotients, 15, 16

      in direction, 273, 274

      of distributions, 34, 35

Convolution, 10

      of distributions, 29, 40

Convolution field, differential operations in, 13

Convolution multiplication, 10

Convolution quotients, 11

      addition, 12

      algebra, 13

      convergence, 15, 16

      field, 11–13

          inverse element in, 13

      of functions on finite interval, 24

      limit, 15, 16

      multiplication, 12

      parametric, 18

Convolution ring, integral operations, 10

Convolution theorem, 79, 80, 88, 97

Coset, 122

Cracking of oil, 218, 219

Cramer’s rule, 374, 385

Crank-Nicolson difference equation, 403, 404

Crank-Nicolson method, 376, 402–406

CURE program, 412

Current function, 408

Decay, exponential, 175, 176

Delta distribution, 28

Delta function, 5–8, 79, 102, 171

Demand, 230

Detached-shock problem, 368–371

Deterministic control process, 196–202

Dielectric sheet, 282

Difference equation, 169

Differentiable distribution, 48

Differential equation, in distributions, 45–47

      generalized, 14, 15

Differential operator, 13

      linear, 57

Differentiation, of distribution, 30, 31

      generalized, 7, 8, 15

Diffusion equation, 23, 85, 128, 167

Diffusion operator, 109

Diffusion problem, 329

Dirac delta function (see Delta function)

Direct product of distributions, 40

Dirichlet integral, 431–437

Dirichlet problem, 333, 396

Discrete distribution, 243

Discrete time, 231

Dissipative network, 292, 295, 322

Dissipative operator, 113, 118

      maximal, 113, 117–131

Distilling of oil, 217

Distribution, 26–29

      antiderivative, 33

      of arbitrary growth, 28

      constant, 33

      convergence, 34, 35

      convolution, 40

      delta, 28

      differentiable, 48

      differential equation in, 45–47

      differentiation, 30, 31

          rules for, 32

      direct product, 40

      of finite order, 41

      Gaussian, 167, 171

      as generalized derivative of integrable functions, 48

      geometric, 175

      Heaviside, 30

          differentiation, 31

      norm for, 49n.

      normal, 167, 171

      null set, 30

      order, 41

      primitive, 33

          repeated, 34

      probability, 243

      in several variables, 39

      of slow growth, 28

      support, 30

      value on an interval, 29

      vector-valued, 48

Divergent series, 134–140

Division in convolution ring, 11

Douglas-Rachford method, 397, 407

Duhamel integral, 10

Duhamel superposition theorem, 79

Duration of busy period, 175–177

      expected, 175–178

      mean, 175

Dynamic programming, 196, 201, 202, 205

Eigenfunction, 59

      normalized, 60

      orthogonal, 59

Eigenvalue, 59, 96, 113, 117, 274

      first, 429

Eigenvector, 274

Elasticity, 431

Electrostatic capacity, of condenser, 435

      of sphere, 435

      of tetrahedron, 435

Element, inverse, in field of convolution quotients, 13

Elliptic equation, 87, 360–368

      computational methods for, 376, 378, 413–415

Embedding of convolution ring, 11

Energy-dissipative system, 115

Energy invariant, 324

Energy transfer, 322, 323

Enthalpy, stagnation, 368

Entropy, 183–185, 191, 192

      conditional, 185

      inequalities for, 184, 185

      of process, 191, 192

Equation, diffusion, 23

      elliptic (see Elliptic equation)

      hyperbolic, 8, 24, 349–360

      parabolic (see Parabolic equation)

      wave, 8, 24

Equivalent ordered pairs in convolution ring, 11

Ergodic properties, 277, 278

Error, rounding, 357

      truncation, 357

Euler formula, 148

Euler transformation, 145

Euler-Maclaurin sum, 144

Euler-Mascheroni constant, 135

Eulerizing, 144–146

Evaluation of a function, 26

Exogenous flow, 215

Expected duration of busy period, 175–178

      continued, 179

Expected value, 273

Exponential decay, 175, 176

Exponential Fourier transform (see Fourier transform)

Exponential operator function, 21

Extension of operator, 108–110, 118–128

Extrapolated Liebmann method, 375, 388

Family of characteristic curves, 350

Feasible solution in linear programming, 221, 223

      initial, 226

Feedback control, 195

Field of convolution quotients, differential operations in, 13

Finitary process, 191

Finite-difference method, 356–360

Finite-dimensional space, 103, 104, 262

Finite transform, 70, 92–96

      cosine, 93, 94

      sine, 93, 94

First come, first served rule, 174

Fixed point, 297

Fixed-point theorem, 323

Flash tower in oil refinery, 216

Fokker-Planck equation, 167, 170–174

Force, impulse, 5

      instantaneous, 5

Forward-difference method, 376, 397–402

Four-terminal network, 286

Fourier-Bessel transform, 70

Fourier cosine formula, 72

Fourier cosine transform, 70–77, 88, 89

Fourier integral formula, 72

Fourier series, 68, 72, 125

Fourier sine formula, 72

Fourier sine transform, 70–77, 88, 89, 97

Fourier theorem, 68–72, 80

Fourier transform, 42–45, 66, 69–73, 77

      of derivatives, 88, 89

      finite, 92–96

      of locally integrable function, 44

      pair, 92

      of testing function, 43

Fractional integration, 10

Frobenius-Perron theorem, 273, 277, 278

Function, 5

      delta, 5–8

      evaluation of, 26

      gamma, 140, 141, 160–162

      generalized, 6, 8, 9, 48

          as weak limit of ordinary function, 48

      improper, 6

      impulse, 5

      integrable, 11

          locally, 25

      null, 26

      operator, 18, 58

          continuous, 18

          differentiation, 19

          exponential, 21

          integration, 20

          logarithmic, 21

          parametric, 18

      perfect, 24

      of slow growth, 25, 26

      testing, 24, 25, 28

          action on, 25

      unit, 7, 8

Functional, 26, 27

      continuous, 26

      linear, 26

Functional analysis, 6, 9

Functional equation, 205

Game, against Nature, 203, 204

      pursuit, 204

Game theory, 202–204

Gamma distribution, 243, 255

Gamma function, 140, 141, 160–162

Gas flow, 353–355

Gauss distribution, 167, 171

Gauss elimination method, 374, 385

Gauss-Seidel method, 374, 375, 385–389, 403, 410

Generalized differential equation, 14, 15

Generalized differentiation, 7, 8

Generalized function (see Function)

Generating function of Laplace, 266

Generating transformation, 271

Generator, infinitesimal, 111, 112

Geometric distribution, 175

Gerschgorin error formula, 384

Global lateral condition, 118

Graph of operator, 108

Graph topology, 108

Green’s function, 15, 46, 47

Group, 101

Hadamard criterion, 100, 101, 348, 360

Hankel transform, 66, 70, 75–77, 90–96

      annular, 96

      finite, 92

Heat conduction, 85–87, 94, 330, 373, 407

Heat equation, 85–87, 97, 101, 104, 112, 167, 378

Heaviside distribution, 30

      differentiation, 31

Heaviside operational calculus, 13, 14

Heaviside operational rule, 78

Heaviside shifting theorem, 78, 88

Hilbert space, vii, 104–114, 283, 330–332

      complete, 106

      operator on, 108–114

      subspace, 107

Huygens’ principle, 315

Huygens’ wavelet, 333

Hydrodynamic stability, 345

Hydroelectric generation, 240–242

      with stochastic inflow, 246–248

Hydromagnetic stability, 345

Hyperbolic equation, 8, 24, 349–360

Hyperbolic system, 114–119

IBM 704 computer, 412

Ignition temperature, 412

Imbedding, invariant, 283

Importance sampling, 275

Improper function, 6

Impulse function, 5

Impulsive force, 5

Inequality, for channel entropy, 184, 185

      of Schwarz, 105, 109, 120, 312, 322

      triangle, 105, 106

Inequality system, linear, 213

Infinite-dimensional space, 104–110

Infinitesimal generator, 111, 112

Information, mutual, 185

Initial-value problem, 63–65, 88–90, 112

      for circular membrane, 123

      in fluid mechanics, 347–371

      for heat conduction, 85

      in Heaviside theory, 53–55, 59

      in semigroup theory, 100–102, 115, 129

      for wave motion, 82, 89, 94, 95

      well-formulated, 100, 101, 348, 360

Inner iteration, 411

Inner product of vectors, 105, 106, 112, 126

Input-output coefficients, 215

Input set, 183, 193

Instantaneous force, 5

Integrability condition, 125

Integrable function, 11

Integral, Airy, 152, 153

      Duhamel, 10

      Lebesgue, 7

      Riemann, 7

      Stieltjes, 8

Integral operations in convolution rings, 10, 13

Integral transform, 68

Integration, fractional, 10

      of operator function, 20

      by parts, 138–140, 159–161

Interior mesh point, 379

      irregular, 381

      regular, 379

Invariant, two-sided, 328

Invariant imbedding, 283

Inventory models, 232–236

      classification, 232, 233

      deterministic, 232, 237

      dynamic, 232, 233

      econometric, 235

      history, 233–237

      with lagged delivery, 255–257

      with random supply, 252–255

      static, 232, 233

      stationary, 249

      stochastic, 232, 242–246

Inventory process, 228, 229

      discount rate for, 229

Inventory process, dynamic stochastic, 244–246

      factors in, 229

          cost, 229, 230

      ordering, 229

      penalty costs, 229

      quadratic costs, 236

      revenues, 230

      salvage, 230

      steady-state, 248, 249

      storage, 229

Inverse of operator, 110

Inverse element in convolution quotient field, 13

Isotropic medium, 305

Item in linear programming, 214, 215, 220

Iteration, inner, 411

      outer, 411

Jacobi method, 386

Jacobian, 272

Kendall’s taxicab-stand example, 181

Kolmogoroff-Smirnoff distribution, 243

Kronecker delta, 92

Lag in delivery, 231

Laplace equation, 97, 332, 360

      with Cauchy data, 348, 366

      numerical solution, 373, 375, 378–394

Laplace transform, 15, 27, 66, 74–89

      of derivatives, 78

      of differential equation, 69

      inversion, 69, 80–82

      semigroup methods for, 112

Laplace-transform pair, 74

Laplace’s method, 147–150

Last come, first served rule, 175

Lateral condition for initial-value problem, 115

      global, 118

Laurent series, 85, 140

Law of large numbers, 167

Lebesgue integral, 7

Legendre transform, 96

Liebmann method, 388

Limit of convolution quotients, 15, 16

Line, of symmetrization, 424, 425, 437, 440

      of symmetry, 424, 437–439

Line relaxation, 396

Linear criteria for variational problems, 199

Linear inequality systems, 213

Linear programming, 213–227

      activities, 214, 215

      activity level, 214, 220

          unit, 214

      activity system, 214, 215

          complete, 214

      algebraic statement, 220–222

      artificial variable, 227

      basic assumptions, 214, 215

      basic feasible solution, 224, 225

      basic variables, 222

      canonical form, 222

      central problem, 213

      cost in, 215

      cycle in, 226

      equivalent system, 223

      exogenous flow, 215

      feasible solution, 221, 223

          initial, 226, 227

          optimal, 223–225

      general iterative procedure, 225, 226

      infeasibility form, 227

      input-output coefficients, 215

      item in, 214, 215, 220

          precious, 214

      material balance equation, 214, 215

      model, 213–215

      nonbasic variables, 223

      objective function, 221

      of oil-refinery problem, 216–220

      Phase I, 226, 227

      Phase II, 226, 227

      profit, 215

      simplex method, 222

      standard form, 222

Linear vector space, 57

Linearity in calculus of variations, 198

Linearity conditions, 102

Linearization in transformation theory, 309, 310

Local boundary conditions, 117

Locally integrable function, 25

Logarithmic operator function, 21

Lossless network, 290, 324

Lossless plane sheet, 284

Lossless transmission line, 287

Lot-size law, 233, 234

Management science, 213

Marching process, 398

Markov process, 168, 175, 248, 277

Matched network, 296

Material balance equation, 214, 215

Matrix, 103, 322, 351

      adjoint, 322

      coefficient, 103, 104

Matrix, of coefficients, 351

      dissipative, 314

      Frobenius-Perron theorem for, 273

      function, 115–119, 198–200

      identity, 321

      Jacobian, 272

      lossless, 314, 324

      multiplication of, 288, 289

      norm, 322

      operator, 103, 104

      product, 288, 289

          determinant, 298

      reflection, 318, 319

      representation of canonical system, 353

      scattering (see Scattering matrix)

      self-adjoint, 322

      star product, 286

      transmission, 318, 319

      transpose, 113

      zero, 113

Maxima, geometric, 424

Maximal dissipative operator, 113, 117–131

Maximum error probability, 183

Maxwell’s equations, 305

Mean displacement, 170

Mean duration of busy period, 175

Mean-square displacement, 171

Measuring probe, 288

Medium, anisotropic, 301

      isotropic, 305

      nonuniform dielectric, 306–308

Mellin transform, 70, 75, 77

Membrane, 420–422, 431

      principal frequency, 420, 422, 432

      uniform vibrating, 420

Memory, 167, 175

Mesh point, 356, 374

      adjacent, 379

      boundary, 379

      interior, 379

Mesh size, 356, 374

Method of simultaneous displacements, 386

Microwave absorber, 317, 318

Minima, geometric, 424

Minimal operator, 118

Minimum principle, 429, 430, 433

Model building in linear programming, 213–215

Modern mathematics, 338

Moments, 272

Monte Carlo method, 261

      application, atomic, 276

          branching process, 264–275

          combinatorial, 263, 264

          geometric, 262

Monte Carlo method, application, thermodynamic, 276, 277

Multiple Fourier transform, 75

Multiplication, convolution, 10

      of convolution quotients, 12

          by scalars, 12

Multiplicative process (see Branching process)

Multistate channel, 190, 191

Mutual information, 185

Nature, game against, 203, 204

Negative binomial distribution, 243

Network, 283

      bilateral, 299

      cascade, 282, 298–301

      commutative, 297

      connected, 383

      dissipative, 292, 295, 322

          reflectively, 295

      four-terminal, 286

      lossless, 290, 324

      matched, 296, 323

      passive, 292

      reciprocal, 299

      series, 298

      shunt, 293

Neutron-flux distribution, 373

Nonbasic variables, 223

Nonsingular transmission, 289

Norm, of matrix, 322

      of operator, 109

      of vector, 105

Normal distribution, 167, 171, 243

Normalized eigenfunction, 60

Nuclear-reactor problem, 410

Null function, 26

Null set of distribution, 30

Object in transmission theory, 283

Objective function in linear programming, 221

Obstacle, 283

Oil refinery, 216–220

Operational calculus, 9, 13, 14

Operations research, 213

Operator, 13

      bound of, 109

      closed, 108

      continuous, 108

      contraction, 111–114

      differential, 13

          linear, 57

          calculus, 52

          Heaviside theory, 53–56

          operations on, 51

Operator, diffusion, 109

      dissipative, 113, 118

          maximal, 113, 117–131

          minimal, 118

      domain, 56, 57

      eigenfunction, 59

      extension, 108–110, 118–128

      functions, 58, 59

      graph, 108

      on Hilbert space, 110–114

      integral, 13

      inverse, 110

      linear, 57

      norm, 109

      resolvent, 110

      resolvent set, 110

      retraction, 130

      self-adjoint, 60

      shift, 20

      spectral representation, 62

Operator function (see Function)

Optimal feasible solution, 223–225

Optimality principle, 245

Ordered pair in convolution ring, 11

      equivalent, 11

ORDVAC computer, 413

Orthogonal complement, 107

Orthogonal eigenfunctions, 59

Orthogonal vectors, 107

Oscillating piston, 90

Outer iteration, 411

Output set, 183, 193

Parabolic equation, 128, 375

      numerical method for, 397–402, 405–407

      semigroup method for, 128

      SPADE project for solving, 413–415

Parametric convolution quotients, 18

Parametric operator function, 18

Parseval relationship, 42, 44

Pascal distribution, 243

Passive network, 292

Passive transmission line, 287

Path in SPADE routine, 415

PDQ code, 411, 412

Peaceman-Rachford method, 375, 390–394, 406, 412

Perfect function, 24

Petit canonical ensemble, 276, 277

Phase I of linear programming, 226, 227

Phase II of linear programming, 226, 227

Piston, oscillating, 90

Plane of symmetrization, 426, 427, 433

Point record, 415

Poisson distribution, 243, 257

Poisson formula, 332

Pólya frequency function, 243, 245

Polynomial in generalized derivatives, 14

Polytropic gas, 355

Power-absorption coefficient, 292

Poynting vector, 117

Primitive of distribution, 33

Principal frequency, 420–423, 428, 432, 433, 437–440

      “asymptotic” values, 423

      highest, 441

      lowest, 422, 440

          for quadrilateral, 423

          for triangle, 423

Principle, of optimality, 201, 245

      of shortest path, 426

Probability, 167

      application to transmission theory, 312, 313

      distribution, 167, 171, 206, 243

Probability law of channel, 183

Probability scattering matrix, 328–330

Probe, measuring, 288

Production scheduling, 237–239

Projection of vector, 107

Properties of symmetrization, 425

Pursuit games, 204

QED code, 411

Quadratic costs, 236

Quadratic criteria, 198

Quadratic form, 118, 123

Quadratic transformation, 278

Quaternion, 289

Queue discipline, 174

Queue length, 167, 174–181

      mean, 178, 180

      variance, 181

Quotient, convolution, 11

Random number, 262

      in combinatorial problems, 263, 264

      generation, 263

      in geometric problems, 262

      in queue problems, 174

Random variable, 168

      in information theory, 184, 185

      mutual information in, 185

      in theory of control processes, 205

Random walks, 167–170, 173

Rayleigh criterion, 339, 340

      analytic discussion, 340–343

Rayleigh line, 344

Rayleigh problem, 435

Rayleigh ratio, 430–433, 438, 439

Rayleigh-Ritz method, 430

Receiver, 182

Reciprocal network, 299

Reciprocity theorem, 290, 293

Refinery flow problem, 216

Reflection coefficient, 283, 319

Reflection matrix, 318, 319

Regular mesh point, 379

Relaxation factor, 375

Relaxation method, 377

Residue class of cosets, 122

Resolvent of operator, 110

Resolvent set of operator, 110

Retraction of operator, 130

Riabouchinsky model, 408

Riccati equations, 317

Richardson method, 394–396

Riemann integral, 7

Ring, commutative, 10

      convolution, 10

Rocket, 1, 202

Rotational flow, 338–345

      Rayleigh criterion for, 339–343

      stability, 343

Rounding error, 357

Ruin problem, 167, 173, 174, 178

Saddle point, 152

Satellite, 1, 202

Scattering matrix, 282, 283, 286, 313–319

      probability, 328–330

Schwarz inequality, 105, 109, 120, 312, 322

Self-adjoint matrix, 322

Self-adjoint operator, 60

Semigroup of operators, 101–104, 110–114

Semigroup method, 112–131

Semigroup property, 101

Sender, 182

Sequence, Cauchy, 106

      complex-valued, 106

Sequential decision activity, 228

Service time, 175

Sheldon method, 396

Shift operator, 20

Shifting theorem, Heaviside’s, 78, 88

Shock wave, 355, 368–371

Shunt obstacle, 293

Sifting property, 5, 7, 10

Simplex method in linear programming, 222

Slow growth, function, 25

Space, 10, 24, 25, 57

      complex euclidean, 114, 115

      finite dimensional, 103–104

Space, Hilbert, 104–114

          complete, 106

          subspace, 107

      vector, 10

          of convolution quotients, 13

          of infinitely differential functions, 24, 25

          linear, 57

SPADE project, 377, 413–415

Spectral norm, 387

Spectral radius, 387, 403

Spectral representation of operator, 62

      types, 64, 65

Spectrum, 328

Square-root law, 233, 234

Stability, 102, 111

Stable method, 399

Stagnation enthalpy, 368

Standard form of linear programming problem, 222

Star product, 286

      algebra, 319, 320

      dissipative, 292

State vector, 194

Stationary-phase method, 151, 152

Statistical equilibrium (see Steady state)

Statistical sampling, 275

Steady state, 167, 177, 178, 180

Steepest-descent method, 152–159

Steiner symmetrization, 424, 437, 439, 440

Stieltjes integral, 8

Stirling approximation, 137

Stochastic control process, 202–204

Stochastic process, 168, 228

Storage facilities, 167, 173

Stream function, 365

Streamline, 365

Stripper in oil refinery, 216

Struve function, 92

Sturm-Liouville problem, 95, 341

Subspace, 107, 118

      of Hilbert space, 107

          closed, 107

      maximal negative, 118, 123, 124

      maximal positive, 118

Successive-line overrelaxation, 375

Successive-overrelaxation method, 375, 388–390, 403, 410

Supercritical system, 274

Superposition theorem, Duhamel’s, 79

Supersonic flow, 87, 88

Supply, 230, 231

Support of distribution, 30

Symmetrization, 424–427, 439, 440

      alternative, 435

      of hill, 430

Symmetrization, line, 424, 425, 437, 440

      repeated, 429

      Steiner, 424, 437

          in space, 427

      successive, 427, 428

Taxicab-stand example, 181

Terminal control, 196

Testing function, 24, 25, 28

      action on, 25

Theory, of elasticity, 431

      of games, 202–204

          against Nature, 203, 204

          pursuit, 204

Thermal-ignition problem, 412, 413

Thermal oil cracker, 216

Time average, 278–280

Titchmarsh’s theorem, 11

To-and-fro method, 396

Tolerance limits, 167, 173

Topology, graph, 108

Torsion problem, 407

Traffic, incoming, 175

Traffic problem, 1, 167

Trajectory, 202

Transcendental function, 421

Transform, 15, 68

      Bessel, 70

      of derivatives, 78, 88, 89, 96

      finite, 70, 71, 92–96

      finite cosine, 93, 94

      finite sine, 93, 94

      Fourier, 42–45, 66–77, 88–90

          complex, 69

          of derivatives, 88, 89

          exponential, 69

          multiple, 75

      Fourier cosine, 70, 73, 74, 77

      Fourier sine, 70, 73, 74, 77, 97

      Fourier-Bessel, 70

      Hankel, 66, 70, 75–77, 90–96

          annular, 96

      integral, 68

      Laplace, 15, 27, 66, 69, 77–89

          of derivatives, 78

          inverse of, 54–56, 74, 75, 80–82, 112

      Legendre, 96

      Mellin, 70, 75, 77

Transformation, 145, 271

      composite, 272

      Euler, 145

      generating, 271

      iterate of, 273

      quadratic, 278

      Steiner symmetrization, 424

Transmission coefficient, 283, 319

Transmission line, 282

      lossless, 287

      passive, 287

Transmission matrix, 318, 319

Transpose of matrix, 113

Triangle inequality, 105

Truncation error, 357

Tuner, 296, 323

Two-line overrelaxation method, 375

Two-sided invariant, 328

Unit element of ring, 10

Unit function, 7, 8

Unit impulse, 5

Value of distribution on interval, 29

Van der Pol equation, 206

Variational problem, 196–209

Vector, 104

      complex row, 322

          length, 322

      inner product, 105

      norm, 105

      orthogonal, 107

      Poynting, 117

      state, 194

      sum, 104

      zero, 105

Vector product with scalar, 104

Vector projection, 107

Vector space, 10, 104–110, 330

      of convolution quotients, 13

      of infinitely differentiable functions, 24, 25

Vector space, of infinitely differentiable functions, convergence in, 25

      linear, 57

Vector-valued distribution, 48

Velocity potential, 365

Vibrating membrane, 420, 438

Waiting line, 167, 174–181

      average length, 178, 180

      variance, 181

Waiting time, 174–176

Walk, random, 167–170, 173

Watson’s lemma, 82, 86, 141, 148

      generalized, 140, 141

Wave amplitude, 284, 286

Wave equation, 8, 24, 347

      Fourier transform, 89

          finite, 94, 95

      generalized solution, 8

      Laplace transform, 82

      semigroup methods for, 102, 104, 115

      weak solution, 8

Well-formulated problem, 100, 101, 348, 360

Weyl’s theorem, 278

WKBJ (Wentzel, Kramers, Brillouin, Jeffreys) method, 133

Young’s modulus, 82, 95

Zero matrix, 113

Zero vector, 105