Making a equation smaller and more readable by using another variable

Asked Nov 12 '20 at 17:42

Active Nov 12 '20 at 18:10

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I am deriving an expression and the output of it is a very long mathematical expression. I want to minimize the equation by substituting some other variables. For example:

This is just an example equation, is it possible for mathematica to automatically do this?

edited Nov 12 '20 at 18:10

AsukaMinato

9,758
1
14
40

asked Nov 12 '20 at 17:42

Mohit Singh

1

Have a look at Replace and ReplaceAll. An example using the latter would be output /. {Sin[x + y] -> a, Cos[x + y] -> b}. – Natas Nov 12 '20 at 17:54
Is it possible for Mathematica to provide this A and B in the solution? – Mohit Singh Nov 12 '20 at 18:13
This question has already been asked and aswered here. – yarchik Nov 12 '20 at 18:26

Making a equation smaller and more readable by using another variable

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