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converting specific characters to a variable

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naman
naman 2016-5-20
回答： Star Strider 2016-5-20
Hi I have a string which look like this "x1 + x2+ 2.0e-14". I want to convert x1 and x2 to variables and use further. In addition I also want to convert the "2.0e-14" as a number. I have plenty of such variables. Is there any script which can recognize characters starting with "x" are variables and rest of them are numbers.

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回答（2 个）

Azzi Abdelmalek
Azzi Abdelmalek 2016-5-20
Star Strider
Star Strider 2016-5-20
You will need the Symbolic Math Toolbox to do what you want.

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