positive number produced from calculation

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hi,i have a calculation that requires the output to be positive value. example: (|0.33-0.42|)=0.9 i tried using abs, but the result is not 0.9. matlab does not recognize the | symbol.im guessing i used abs wrong. can someone please show me how to do this?
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badrul hisham
badrul hisham on 10 Apr 2016
i've tried your coding and it works. it was just my mistake. i called a different input and used it in the the operation. thank you for your help

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Accepted Answer

Kuifeng
Kuifeng on 9 Apr 2016
abs(0.33-0.42)

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