How to Change element values of an array with conditions?
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satheeshkumar satheeshkumar M
le 31 Oct 2017
Commenté : Fangjun Jiang
le 11 Nov 2019
If suppose, A=[2 3 4 7 9 10] i want to use if condition to add (e.g) 10 to the elements less than 6 (< 6) of array A, so that my array should convert into A=[12 13 14 7 9 10]. how can i achieve?
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Adam
le 31 Oct 2017
Modifié(e) : Adam
le 31 Oct 2017
A( A < 6 ) = A ( A < 6 ) + 10
Sadly Matlab doesn't have a neat += operator so you have to do the above rather ugly equivalent, though I would often pull the logical indexing out into its own variable.
3 commentaires
Erik Elander Aman
le 10 Nov 2019
Is there a similar solution for when you would like to alter in an interval within two limits, eg. adding 10 to each value between 4 and 6 in the array?
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Fangjun Jiang
le 31 Oct 2017
Play golf?
A=A+10*(A<6)
2 commentaires
Eliot Bethke
le 20 Mar 2019
I prefer this answer because you can assign the result of the operation to a different variable. Also works if you wanted to multiply instead of add:
S = A .* 10 .* (A < 6);
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