Page 745 - Handbook Of Integral Equations
P. 745

1     c+i∞  px ˜
                                          ˜
                 No       Laplace transform, f(p)   Inverse transform, f(x)=        e f(p) dp
                                                                          2πi
                                                                               c–i∞
                      √      √                        1         –5/2      a
                 21    p exp – ap ,  a >0            √ (a – 2x)x    exp –
                                                    4 π                  4x
                       1      √                       1        a
                 22   √ exp – ap ,    a ≥ 0         √    exp –
                        p                             πx      4x
                                                     √                      √
                       1       √                    2 x        a     √        a
                 23    √ exp – ap ,    a ≥ 0         √   exp –    –  a erfc  √
                      p p                             π       4x           2 x

                               2
                      exp –k  p + a 2                 0             if 0 < x < k,
                 24      	           ,  k >0              √  2  2
                            2
                           p + a 2                    J 0 a x – k   if k < x.

                               2  2
                      exp –k  p – a                   0             if 0 < x < k,
                                                         √
                 25      	           ,  k >0          I 0 a x – k  2     if k < x.
                                                            2
                            2
                           p – a 2
               5.6. Expressions With Hyperbolic Functions
                                                                           1     c+i∞  px ˜
                                          ˜
                 No       Laplace transform, f(p)   Inverse transform, f(x)=        e f(p) dp
                                                                          2πi
                                                                               c–i∞
                         1                          f(x)=2n if a(2n – 1) < x < a(2n + 1);
                  1           ,  a >0
                      p sinh(ap)                    n =0, 1, 2, ... (x >0)
                          1                         f(x)=2n(x – an)if a(2n – 1) < x < a(2n + 1);
                  2            ,  a >0
                      p sinh(ap)                    n =0, 1, 2, ... (x >0)
                       2
                      sinh(a/p)                       1         √           √
                  3     √                            √    cosh 2 ax – cos 2 ax
                          p                         2 πx
                      sinh(a/p)                       1         √          √
                  4      √                           √    sinh 2 ax – sin 2 ax
                        p p                         2 πa
                                                                √           √
                       –ν–1
                                                    1
                                                          ν/2
                  5   p   sinh(a/p),  ν > –2         (x/a)   I ν 2 ax – J ν 2 ax
                                                    2

                                                            0if a(4n – 1) < x < a(4n + 1),
                          1                         f(x)=
                  6            ,  a >0                      2if a(4n +1) < x < a(4n + 3),
                      p cosh(ap)
                                                    n =0, 1, 2, ... (x >0)
                                                          n
                          1                         x – (–1) (x – 2an)if2n – 1< x/a <2n +1;
                  7    2       ,  a >0
                      p cosh(ap)                    n =0, 1, 2, ... (x >0)
                      cosh(a/p)                       1         √           √
                  8      √                           √    cosh 2 ax + cos 2 ax
                          p                         2 πx
                      cosh(a/p)                       1         √          √
                  9      √                           √    sinh 2 ax + sin 2 ax
                        p p                         2 πa
                                                                √           √
                       –ν–1
                                                          ν/2
                                                    1
                 10   p   cosh(a/p),  ν > –1         (x/a)   I ν 2 ax + J ν 2 ax
                                                    2
                      1                             f(x)=(–1) n–1  if 2a(n – 1) < x <2an;
                 11     tanh(ap),  a >0
                      p                             n =1, 2, ...
                 © 1998 by CRC Press LLC








               © 1998 by CRC Press LLC
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