MATLAB computations on variables?

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Hassan Taymuree
Hassan Taymuree on 28 Oct 2021
Commented: Walter Roberson on 28 Oct 2021
Is it possible to conduct MATLAB operations on just a matrix of variables? For example, if I wanted to compute the inverse of matrix
A = [a b; c d]
without assigning any values to any of the 4 variables just to get a general form. Thanks in advance!

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Answers (1)

Chris
Chris on 28 Oct 2021
Edited: Chris on 28 Oct 2021
Ran in:
The symbolic toolbox is great for stuff like this.
https://www.mathworks.com/help/symbolic/symbolic-computations-in-matlab.html
syms a b c d
A = [a b;c d]
A = 
inv(A)
ans = 
  1 Comment
Walter Roberson
Walter Roberson on 28 Oct 2021
Ran in:
Caution: the size of the matrix expands quite rapidly for larger matrices.
syms M [4 4]
inv(M)
ans = 

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