Page 768 - Handbook Of Integral Equations
P. 768

1     σ+i∞   –s
                                          ˆ
                                                                                     ˆ
                 No        Direct transform, f(s)    Inverse transform, f(x)=       f(s)x ds
                                                                           2πi  σ–i∞
                                                        a – 2|ln x|     a
                                                     
                      √      √                         	        exp –        if 0 < x <1,
                  6    s exp – as ,  Re s >0           4  π|ln x| 5   4|ln x|
                                                     
                                                       0                      if 1 < x
                                                     
                                                          1           a
                       1      √                        √     exp –         if 0 < x <1,
                  7   √ exp – as ,   Re s >0             π|ln x|    4|ln x|
                        s                            
                                                       0                    if 1 < x
                                                        a   b
                        s + a                          x – x   if 0 < x <1,
                  8   ln    ,  Re s > –a, –b            ln x
                        s + b
                                                       0       if 1 < x
                                                             ψ(ν) – ln |ln x|
                                                       |ln x| ν–1          if 0 < x <1,
                  9   s –ν  ln s,  Re s >0, ν >0                 Γ(ν)
                                                       0                   if 1 < x
               9.3. Expressions With Trigonometric Functions

                                                                            1     σ+i∞   –s
                                          ˆ
                                                                                     ˆ
                 No        Direct transform, f(s)    Inverse transform, f(x)=       f(s)x ds
                                                                           2πi  σ–i∞
                        π                              1
                  1         ,  0<Re s <1
                      sin(πs)                        x +1
                        π                                   n
                            ,  –n <Re s <1 – n,         n  x
                  2   sin(πs)                        (–1)
                      n = ... , –1, 0, 1, 2, ...         x +1
                        π 2                           ln x
                  3          ,  0<Re s <1
                        2
                      sin (πs)                       x – 1
                        π 2                            ln x
                  4   sin (πs)  ,  n <Re s < n +1,   x (x – 1)
                        2
                                                      n
                      n = ... , –1, 0, 1, 2, ...
                                                           2
                        2π 3                         π +ln x
                                                      2
                  5          ,  0<Re s <1
                        3
                      sin (πs)                         x +1
                        2π 3                          π +ln x
                                                       2
                                                            2
                  6   sin (πs)  ,  n <Re s < n +1,      n
                        3
                      n = ... , –1, 0, 1, 2, ...     (–x) (x +1)

                                                     1   a
                           2                                   1    2  1
                  7   sin s /a ,  a >0                     sin  a|ln x| – π
                                                     2   π    4        4
                        π       1         1           √ x
                  8         ,  – <Re s <  2
                                2
                      cos(πs)                        x +1
                        π          1           1
                            ,  n –  <Re s < n +          x 1/2–n
                  9   cos(πs)      2           2     (–1) n
                      n = ... , –1, 0, 1, 2, ...          x +1
                      cos(βs)                         1
                                                           2
                 10          , –1<Re s <0, |β| < π      ln(x +2x cos β +1)
                      s cos(πs)                      2π
                 © 1998 by CRC Press LLC








               © 1998 by CRC Press LLC
                                                                                                             Page 753
   763   764   765   766   767   768   769   770   771   772   773