Page 730 - Handbook Of Integral Equations
P. 730

∞
                                                                        ˜
                 No       Original function, f(x)      Laplace transform, f(p)=  e –px f(x) dx
                                                                              0

                      1      –ax 2
                  5      1 – e                       (p +2a) ln(p +2a)+ p ln p – 2(p + a) ln(p + a)
                      x 2
                                                                       √
                            2                           1/2      2                 1
                  6   exp –ax ,    a >0              (πb)  exp bp  erfc(p b),  a =
                                                                                   4b
                                                                      √
                              2                            1/2 3/2                1
                  7   x exp –ax                      2b – 2π  b  p erfc(p b),  a =
                                                                                  4b
                                                      	        √
                  8   exp(–a/x),   a ≥ 0             2  a/pK 1 2 ap
                      √                              1  	        √          √
                                                           3
                  9    x exp(–a/x),   a ≥ 0             π/p 1+2 ap exp –2 ap
                                                     2
                       1                             	          √
                 10   √ exp(–a/x),     a ≥ 0           π/p exp –2 ap
                        x
                       1                             	          √
                 11    √ exp(–a/x),     a >0           π/a exp –2 ap
                      x x
                                                                 √
                                                          ν/2
                       ν–1
                 12   x  exp(–a/x),    a >0          2(a/p)  K ν 2 ap
                           √
                                                      –1     1/2 –3/2 a/p
                 13   exp –2 ax                      p – (πa)  p   e   erfc  a/p
                       1       √                         1/2 a/p
                 14   √ exp –2 ax                    (π/p)  e  erfc  a/p
                        x
               4.4. Expressions With Hyperbolic Functions
                                                                               ∞

                                                                        ˜
                 No       Original function, f(x)      Laplace transform, f(p)=  e –px f(x) dx
                                                                              0
                                                       a
                  1   sinh(ax)                        2   2
                                                     p – a
                                                       2a 2
                         2
                  2   sinh (ax)
                                                           2
                                                      3
                                                     p – 4a p
                      1                              1   p + a
                  3     sinh(ax)                       ln
                      x                              2   p – a

                  4   x ν–1  sinh(ax),  ν > –1       1  Γ(ν) (p – a) –ν  – (p + a) –ν
                                                     2
                                                     √
                           √                           πa  a/p
                  5   sinh 2 ax                       √ e
                                                     p p
                      √       √                                       a/p   	       1/2 –2
                                                        p
                  6    x sinh 2 ax                   π 1/2 –5/2 1 p + a e  erf  a/p – a  p
                                                             2
                       1       √
                                                        p
                  7   √ sinh 2 ax                    π 1/2 –1/2 a/p  erf  a/p
                                                            e
                        x
                       1     2  √
                                                          p
                  8   √ sinh    ax                   1 2  π 1/2 –1/2  e a/p  – 1
                        x
                                                       p
                  9   cosh(ax)                        2   2
                                                     p – a
                 © 1998 by CRC Press LLC








               © 1998 by CRC Press LLC
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