Generate random samples from a standardized normal distribution and return in matrix form.
Examples
randn(2,3)
#> [,1] [,2] [,3]
#> [1,] -0.1056558 1.613284 0.6253141
#> [2,] 1.4898955 -1.623811 -0.7983959
randn(5)
#> [,1] [,2] [,3] [,4] [,5]
#> [1,] -2.00454302 -0.8669026 2.2927026 -0.2468592 -0.8973077
#> [2,] 1.41783276 1.8538769 -1.9795730 -1.0357461 -0.4940153
#> [3,] 1.21293195 0.9119217 0.9319057 -1.1906234 1.3887291
#> [4,] 0.99323055 -0.7318803 0.3306204 -1.3221883 1.7442997
#> [5,] -0.04224099 -0.2358161 0.9562781 0.3576470 0.2759333