Page 400 - Schaum's Outline of Differential Equations
P. 400

INDEX                                       383



         Electrical  circuits, 52,  115                Homogeneous boundary conditions, 309
         Equilibrium point:                            Homogeneous boundary-value problem, 309
          for  a buoyant body,  116                      Sturm-Liouville problem, 310
          for  a spring, 114                           Homogeneous difference equation,  325
         Euler's constant,  300                        Homogeneous linear differential  equation, 73
         Euler's equation, 287                           characteristic  equation for, 83,  89
         Euler's method,  158                            with constant  coefficients, 83, 89, 254
          modified,  177                                 solution of  (see  Solutions of ordinary  differential
          for  systems,  196                                 equations)
         Euler's  relations, 87                          with variable coefficients, 262,  275
         Exact differential  equation,  15, 31         Homogeneous first-order equations,  15, 22,  29
         Existence of solutions:                       Homogeneous function of degree n, 29
          of  first-order equations,  19               Hooke's law,  115
          of  linear initial-value problems, 73        Hypergeometric  equation,  288
          near  an ordinary point, 262                 Hypergeometric  series,  288
          near a regular singular point, 275
         Exponential  of a matrix, 140
                                                       Ideal  Gas  law  (see Perfect  Gas law)
                                                       Identity matrix, 132
         Factorial, 266,  298                          Indicial equation,  276
         Falling-body problem,  51                     Initial conditions,  2,  148
         Fibonacci numbers, 326,  327,  329            Initial-value problems, 2
         First-order differential  equations:            solutions of, 2, 21,  110,  242,  254,  264
          applications  of,  50                        Instability, numerical,  158
          Bernoulli,  14, 42                           Integral  of a matrix, 132
          differential  form,  14                      Integral equations  of convolution type,  239
          exact,  15, 31                               Integrating factors, 32
          existence and uniqueness theorem,  19        Inverse Laplace transform, 224
          graphical  methods,  157                     Isocline,  157
          homogeneous,  15, 22, 29
          integrating factors, 32
          linear,  14, 42,  73                         Jp(x)  (see Bessel functions)
          numerical  solutions of  (see Numerical methods)
          separable,  15, 21
          standard form, 15
          systems of  (see  Systems of differential  equations)  Kirchhoff's  loop law,  116
         Fourier cosine series,  319
         Fourier  sine series,  319
         Free motion,  117                              L(y), 73
         Frequency,  circular,  118                    Laguerre's differential  equation,  290
          natural,  118                                Laguerre's polynomials, 291
         Frobenius, method  of,  275                     Associated polynomials, 294
                                                       Laplace differential  equation,  305
                                                       Laplace transforms, 211
                                                         applications  to differential  equations,  242
         Gamma function, 295                             of  convolution,  233
          table of, 297
         General  solution, 74  (See also  Solutions of ordinary  of  derivatives, 242
                                                         derivatives of, 211
            differential  equations)
                                                                   212
         Graphical  methods  for solutions, 157          of  integrals, 224
                                                         inverse of,
         Growth problems,  50
                                                         of  periodic functions, 212
                                                         for  systems,  249
                                                         table of, 330
         Half-life,  57                                  of  the unit step function, 234
         Harmonic function, 308                        Legendre's differential  equation,  269,  290
         Harmonic motion, simple,  118                 Legendre's polynomials, 269,  291
         Heat equation,  304                           Limiting velocity, 52
         Hermite's  differential  equation,  290       Line element,  157
         Hermite's  polynomials, 291                   Linear  dependence of functions, 74
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