matlab matrix multiple with letter variable

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chen tianle
chen tianle 2021-8-12
编辑： Awais Saeed 2021-8-12
is there anyway to mutliple matrix with any unknown number ?

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Awais Saeed
Awais Saeed 2021-8-12
编辑：Awais Saeed 2021-8-12
I think storing numeric and character data together is only possible with cell arrays. However, it would be good for storing them only as doing any calculation with mixed data type matrix would cause errors.
A = [1 0 0 0; 0 0 1 0; -3 3 -2 -1; 2 -2 1 1];
syms x
B= [0 0 x 6];
B.*A

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