Solving matrix without values
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Is it possible to solve matrix calculation without defining the Θ
i mean for derivation purpose i want to solve matrices without vlaues instead just sinΘ, cosΘ
so that i can get answer in sinΘ and cosΘ format
采纳的回答
Yes. Learn how to use the symbolic toolbox. If you don't have it, then you need it for this purpose.
syms theta real
A = [cos(theta), sin(theta);-sin(theta), cos(theta)] % simple rotation matrix
B = A'*A % this product should be the identity matrix
simplify(B)
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