MATLAB: Change sign of descending values

sign

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

Best Answer

  • Is this what you want?
    x = your vector of values
    d = [1;diff(x)];
    x(d<0) = -x(d<0);