How to find total derivative by using total derivative operator?
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I have two functions 
and 
.
and .I want to find the total derivative of 
.
.where 
is as given in the attached file
is as given in the attached fileAnswers (1)
Bjorn Gustavsson
on 2 Mar 2021
If you have the symbolic toolbox it is just to get to work:
syms x y t
syms u(x,y,t)
syms p(x,y,t)
dudx = diff(u*p,x) % etc...
Then just to add up the different derivatives.
HTH
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on 2 Mar 2021
on 2 Mar 2021
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