How to produce 1 and -1 in MATLAB

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charu shree
charu shree 2023-7-1
评论： charu shree 2023-7-1
Hello all, I want to generate 2000 numbers out of which 50% times it should be +1 and for remaining 1000 it should be -1.
Any help in this regard will be highly appreciated.

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回答（1 个）

Jan
Jan 2023-7-1
编辑：Jan 2023-7-1
Exactly 50% or randomly?
x = randi([0, 1], 1, 2000) * 2 - 1;
y = [ones(1, 1000), -ones(1, 1000)];
y = y(randperm(y));

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