scientefic calculator needed to calculate integration

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Mazen Sallam
Mazen Sallam 2019-5-20
评论： Mazen Sallam 2019-5-20
i want to make a button in the scientefic calculator to calculate the integrtion but it always shows me error that x is undefined so pls tell me the code to solve this error thanks in advanced
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Walter Roberson
Walter Roberson 2019-5-20
Which release? In newer matlab you cannot int a character vector and need to use str2sym

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