Exclude data points from 2 arrays, based on a 3rd array

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Nerma Caluk
Nerma Caluk 2022-6-24
回答： Voss 2022-6-24
I have either 3 vectors, or a matrix with 3 columns, example: a, b, c; which are related by each row. I need to exclude values from a and b (or the whole row of the matrix) and then plot them, based on the values that they are related to c. For example:
a = [533 534 535 536 700]';
b = [123 124 125 126 200]';
c = [11100010010 11100010010 11100010010 11100010010 11100010011]';
I want to remove all values from a and b that are NOT CORRESPONDING to value of c = 11100010010 (like the last element of c, which indicates removal of last values from a and b, 200 and 700).
Thank You for your help!

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回答（1 个）

Voss
Voss 2022-6-24
Ran in:
a = [533 534 535 536 700]';
b = [123 124 125 126 200]';
c = [11100010010 11100010010 11100010010 11100010010 11100010011]';
idx = c ~= 11100010010;
a(idx) = [];
b(idx) = [];
disp(a); disp(b);
533 534 535 536 123 124 125 126

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