How to change the sign of some particular values in an array/matrix?

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Nisar Ahmed 2022-7-5

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编辑： Nisar Ahmed 2022-7-5

采纳的回答： Rik

InQP_w.mat

Hi,

I have some positive and -ve values in the curve below (data is also attached). How can I setup my code in such a way that the only negative sign changes to positve (while megnitude remains same) and postive remains positive.

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Rik 2022-7-5

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Nisar Ahmed 2022-7-5

编辑：Nisar Ahmed 2022-7-5

@Rik thank you got it

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