Hi.. I solved 4th order pde (beam equation--4 th order in space and 2nd order in time) using Maple 5. I got the result having 6 constants. Along with this constants there is another term I_c1. What is this _c1 ? Please help me immediately. Thank You Please replace this text with the link to your file. The link can be found in the File Manager Please replace this text with the link to your file. The link can be found in the File Manager Please replace this text with the link to your file. The link can be found in the File Manager