What function do I use to generate a matrix with the values in specific increments?

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Gabrielle Cotman
Gabrielle Cotman 2015-2-15
回答： Roger Stafford 2015-2-16
I understand how to use the 'linspace' function, but I was wondering if I'm able to do it using the 'randi' function, or the 'randm' function.
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dpb
dpb 2015-2-15
What is "it" here, specifically?
If you control a randomized variate to have some specific spacing then it wouldn't be all that random. What's the actual objective?

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回答（2 个）

bharti patel
bharti patel 2015-2-15
编辑：bharti patel 2015-2-15
In order to create a matrix with specific increment, you can use something like: x = [0, 5, 200]; This will create a row vector, with values starting with zero, with increments of 5 and ending with 200.
using Randi; randi(10,3,4); This will create a 3 by 4 matrix with random numbers between 1 to 10.
There is no randm fucntion. Do you mean randn?
Roger Stafford
Roger Stafford 2015-2-16
I think you mean something like this:
incr = rand(1,n); % Variable increments
x = cumsum(incr); % Variable with 'incr' spaced intervals

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