oggsait

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8 years, 283 days

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These are replies submitted by oggsait

Thank you very much Dear @Ramakrishnan.

Actually my question was very simple because i wanted to plot a function u(x,y,z,t) that is a wave solution of partial differential equation. x,y,z are coordinates and t is a time variable. Finally i used plot3d command and my problem disappeared.


Thank you  for  your  effort.  Best regards.

 

 

@Preben Alsholm 

i tried to pdsolve but it gave solutions depend on (x,t). But i want to solve u0,u1,.. depend on f(x,t). 

@tomleslie i wanted to find lambda symmetries, integrating factors, linearization transformations for ordinary differential equations but it did not.

thanks for your effort

it works 2+2 and  4*5,  but diff(x,x) not work. i installed  fully. what is the maple's kernel problem? how can i solve it.

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