MATLAB: Randi size inputs not scalar issue

MATLABrandisize inputs

I have an issue when I want a variable length I decided to give two inputs max_length and min_length. I then chose the length in the loop by choosing a random integer between these two. Although when I run it says:

*Error using randi

Size inputs must be scalar.

Could anyone tell me what the problem is.

Best Answer

randi(length(characters ), 1, (passwd_length-1))

passwd_length-1 should be a scalar not a vector

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MATLAB: Using randi instead of floor and rand.

This is how I’d do it:

passwd(2:passwd_length) = characters (randi(length(characters ), 1, (passwd_length-1)))

MATLAB: Size input must be scalar using rand to generate uniformly distributed numbers

rand() does not accept the range of random values. It always generates values between 0 and 1. You need to rescale yourself.

lb = -1;
ub = 1;
a = rand(1000,1)*(ub-lb) + lb; % 1000x1 vector

Best Answer

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MATLAB: Using randi instead of floor and rand.

MATLAB: Size input must be scalar using rand to generate uniformly distributed numbers

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