Rand (n): generate a Random Number Matrix of order n between 0 and 1.
Rand (m, n): generate a Random Number Matrix (a ready-made function) between 0 and 1. In addition: matlab random number generation function betarnd beta distribution random number generator binornd binary distribution random number generator chi2rnd chi-square distribution random number generator exprnd exponential distribution random number generator frnd f distribution random number generator gamrnd gamma distribution random number generator generator geornd ry distribution random number generator hygernd ry distribution random number generator lognrnd logarithm normal distribution random number generator nbinrnd negative two-item distribution random number generator ncfrnd non-center f distribution random number generator nctrnd non-center t distribution random number generator ncx2rnd non-center chi-square distribution random number generator normrnd normal (Gaussian) distributed random number generator raylrnd random number generator trnd student's t distribution random number generator unidrnd discrete even distribution random number generator unifrnd continuous and even distribution random number generator