its a big problem for me

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ahmed yasin
ahmed yasin 2012-4-17
hi all ,please i want a help , i want to build a simple calculator in matlab , but the problem that the supervisor need the text editor to accept an expression like 5+3-2*4 and the click in the equal button to determine it , so the proble how can I split this expression for example to deal with it , any help please

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回答（2 个）

Matt Kindig
Matt Kindig 2012-4-17
Well the easiest way would be using eval, like
str = '5+3-2*4'; %the text field
answer = eval(str); %when you click the equals button.
Is this allowed?
Walter Roberson
Walter Roberson 2012-4-17
You can use regexp() or ismember()

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