Change sign of descending values

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Morten Nielsen
Morten Nielsen 2019-6-27
回答： James Tursa 2019-6-27
How can i change the sign of decending values ?
4165
4230
4296
4361
4430
4476
4549
4604
4664
4705
4710
4714
4718
4718
4716
4713
4708
4697
4646
4572
4491

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采纳的回答

James Tursa
James Tursa 2019-6-27
Is this what you want?
x = your vector of values
d = [1;diff(x)];
x(d<0) = -x(d<0);

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