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Verifing symbolic equality in MATLAB

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Gennaro Arguzzi
Gennaro Arguzzi 2017-8-18
回答： Steven Lord 2017-8-18
Hello everyone. How can I verify a symbolic equality? For example:
(a+b)*(a-b)=a^2-b^2
Thank you for your help.

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Steven Lord
Steven Lord 2017-8-18
>> syms a b
>> X = (a+b)*(a-b);
>> Y = a^2-b^2;
>> isAlways(X == Y)
ans =
logical
1

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