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Question: How to Use Nabla as in textbook ?

Question:How to Use Nabla as in textbook ?

alvaro56300 25 Maple
physics nabla
April 30 2021
2

Hello,

I spent some hours to manipulate the Nabla operator as in textbook, but i have an issue.

Thank you for your help

First thing i did is :

with(Physics); with(Vectors);
 

I declare S0 and P0 as constant with

Parameters(S0,P0)

I have the expression

Exp := S0*(P(x, y, z, t) * - P0)

I apply the Nabla Operator and get

(%Nabla) S(x, y, z, t)) = S0*Nabla, P(x, y, z, t) * - S0*NablaP0

As S0 and P0 are constants, How to remove the S0*NablaP0 term  ?

I tried some combinations of expand and simplify.
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