Repeat numbers of X based on Y to produce Z

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I have 2 matrices, X and Y, and using these 2 matrices I would like to produce a third one called Z.
X = [1; 2; 3; 4; 5;]
Y = [3; 1; 4; 2; 2;]
where in Z, the numbers in X are repeated based on X
Z = [1;
1;
1;
2;
3;
3;
3;
3;
4;
4;
5;
5;]

Risposta accettata

Star Strider
Star Strider il 12 Ago 2019
Use the repelem function (R2015a and later):
Z = repelem(X, Y)
producing:
Z =
1
1
1
2
3
3
3
3
4
4
5
5

Più risposte (1)

John D'Errico
John D'Errico il 12 Ago 2019
help repelem

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