randi Pseudorandom integers from a uniform discrete distribution.來自一個均勻離散分布的偽隨機(jī)整數(shù)
R = randi(IMAX,N) returns an N-by-N matrix containing pseudorandom?integer values drawn from the discrete uniform distribution on 1:IMAX.返回一個N×N的包含偽隨機(jī)整數(shù)值的矩陣，這些整數(shù)來自均勻分布IMAX
randi(IMAX,M,N) or randi(IMAX,[M,N]) returns an M-by-N matrix.
randi(IMAX,M,N,P,...) or randi(IMAX,[M,N,P,...]) returns an?M-by-N-by-P-by-... array. randi(IMAX) returns a scalar.
randi(IMAX,SIZE(A)) returns an array the same size as A.
R = randi([IMIN,IMAX],...) returns an array containing integer?values drawn from the discrete uniform distribution on IMIN:IMAX.
Note: The size inputs M, N, P, ... should be nonnegative integers.
Negative integers are treated as 0.
R = randi(..., CLASSNAME) returns an array of integer values of class?CLASSNAME.
The arrays returned by randi may contain repeated integer values. This?is sometimes referred to as sampling with replacement. To get unique?integer values, sometimes referred to as sampling without replacement,?use RANDPERM.

The sequence of numbers produced by randi is determined by the settings of?the uniform random number generator that underlies RAND, RANDN, and randi.
randi uses one uniform random value to create each integer random value.?Control that shared random number generator using RNG.

轉(zhuǎn)載于:https://www.cnblogs.com/rong86/p/3519693.html

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