Page 265 - Handbook Of Integral Equations
P. 265

b
               45.      f(t)y(ξ) dt = g(x),  ξ = xϕ(t).
                      a
                                       k
                     1 .For g(x)=  n    A k x , the solution of the equation has the form
                      ◦
                                 k=0
                                             n                   b
                                                A k  k
                                                                         k
                                      y(x)=       x ,    B k =   f(t) ϕ(t) dt.
                                                B k            a
                                            k=0
                     2 .For g(x)=  n    A k x , the solution has the form
                                       λ k
                      ◦
                                 k=0
                                            n                    b
                                              A k                         λ k

                                     y(x)=       x ,     B k =   f(t) ϕ(t)  dt.
                                                  λ k
                                              B k              a
                                           k=0
                                           k
                      ◦
                     3 .For g(x)=ln x  n    A k x , the solution has the form
                                    k=0
                                                      n         n
                                                            k         k
                                            y(x)=ln x   B k x +   C k x ,
                                                     k=0       k=0

                     where the constants B k and C k are found by the method of undetermined coefficients.
                                           k
                      ◦
                                  n
                     4 .For g(x)=   A k ln x) , the solution has the form
                                 k=0
                                                       n

                                                                 k
                                                 y(x)=    B k ln x) ,
                                                       k=0
                     where the constants B k are found by the method of undetermined coefficients.


                      ◦
                     5 .For g(x)=  n    A k cos(λ k ln x), the solution has the form
                                 k=1
                                             n                n

                                      y(x)=    B k cos(λ k ln x)+  C k sin(λ k ln x),
                                            k=1               k=1
                     where the constants B k and C k are found by the method of undetermined coefficients.


                     6 .For g(x)=  n    A k sin(λ k ln x), the solution has the form
                      ◦
                                 k=1
                                             n                n

                                      y(x)=    B k cos(λ k ln x)+  C k sin(λ k ln x),
                                            k=1               k=1
                     where the constants B k and C k are found by the method of undetermined coefficients.




                 © 1998 by CRC Press LLC









               © 1998 by CRC Press LLC
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