How to use variable?

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Ivor Horton
Ivor Horton 2020-6-15
评论： madhan ravi 2020-6-15
If I run
det([1 2;3 4])
Matlab gives the result -2.
I want to calculate
det([a b;c d])
and how can I get the result
ad - bc

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采纳的回答

David Hill
David Hill 2020-6-15
syms a b c d;
det([a b;c d]);

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