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Question: "use" command does not substitute `Physics` package `product` operator

Question:"use" command does not substitute `Physics` package `product` operator

Reza23 40 Maple 2022
substitution physics duplicate-question
December 31 2022
0

Hey guys. i recently faced a problem where i needed to substitute the "physics's overloaded product operator" , namely with normal matrice product (`.`), so maple can do the matrice product calculation after my non-commutative physics operator(yellow symbols in the following code) has been replaced with real matrices (for instance, this substitution:)

now in order to substitute  with `.` I have utilized the maple `use` command. but the problem is, it doesn't do the substitution when I utilized `use` command as follows (code file is attached at the bottom) :

so what's the mistake here?

thanks in advance

Physic_subs.mw
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