How do i get decimal values using randi?

2020 2 5
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Im supposed to create a 3x4 matrix with random decimal value from -10 to 20. Im not sure how to get decimal values.

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Adam Danz
Adam Danz 2020-2-5
编辑：Adam Danz 2020-2-5

1 个投票

randi() will only return integers. Instead, use rand() which will prouduce random values between 0 and 1; then scale and shift the results to the defined bounds.
arraySize = [3,4];
bounds = [-10,20];
x = rand(arraySize)*range(bounds)+bounds(1);

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