p = randperm(n) returns a row vector containing a random permutation of the integers from 1 to n inclusive.There is a useful MATLAB function called randperm() that generates a random permutation of numbers for the user, To learn more about the seed of random number generators in MATLAB, visit this page. In those cases, it is good to initialize the seed of the random number generator in MATLAB to some pre-specified number, so that every time you run your code, you get the same result as before. 1 Answer Sorted by: 4 If you have the Statistics toolbox, you can use randsample without replacement. occgrid, Occupancy grid representing the navigation environment. For example, you want the results of your code to be reproducible. randi, Uniformly distributed random integer. See syntax, description, examples, and videos of randi in MATLAB. You can use different data types, sizes, and streams for the output. Sometimes, however, this is not the desired behavior. randi returns a pseudorandom scalar or array of integers between 1 and a user-specified upper limit. Thus, rand, randi, and randn will produce a different sequence of numbers after each time you call rng(‘shuffle’). Which seeds the random number generator based on the current time in the CPU.
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