How to define an operator?

Question:How to define an operator?

Posted: zhuxian 60

November 02 2017

Hi,

I want to define an operator P, which can shift the first subscript of u(i,j)

P: u(i,j)->u(i+1,j)

and similarly,

Q: u(i,j)->u(i,j+1)

I am not familiar with the commands in maple, please help!

Thanks.

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