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Question: How to Change variable in multiple integral?

Question:How to Change variable in multiple integral?

mehdibgh 240
integral
February 11 2017
0

I am tryng to change variables in multiple integral as below, but receive error. Help me to do so.
 

``

> 

restart

Error, invalid input: with expects its 1st argument, pname, to be of type {`module`, package}, but received shareman

  
> 

with(IntegrationTools):
> 

V := Int(Physics:-`*`(f(Physics:-`^`(x, 2)), g(y)), [x = a .. b, y = c .. d])

Int(f(x^2)*g(y), [x = a .. b, y = c .. d])

 (1)
> 

``
> 

Change(V, {x = u-W, y = v-Q})

Error, (in IntegrationTools:-Change) missing a list with the new variables

  
> 

``


 

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