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Be useful.
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Please do not paste any copyright violating resource.
Please try to avoid dependencies to third-party libraries and frameworks.
double[][] x = new double[m][n];
const m, n = 3, 4 var x [m][n]float64
x = [[0 for j in xrange(n)] for i in xrange(m)]
var x = []; for (var i = 0; i < m; i++) { x[i] = []; }
my @array = ( [ 1.0, 0.0, 0.0 ], [ 0.0, 1.0, 0.0 ], [ 0.0, 0.0, 1.0 ], "first three slots are a 3x3 identity matrix", "fourth and fifth slots contain strings" );
let mut x = vec![vec![0.0f64; N]; M];
#include <stdlib.h>
double **x=malloc(m*sizeof(double *)); int i; for(i=0;i<m;i++) x[i]=malloc(n*sizeof(double));
auto x = new double[][](m, n);
var x = new List.generate(m, (_) => new List(n));
var _x: array[_m,_n] of Double;
x = Array.new(m) { Array.new(n) }
x = [ [ j**(1/i) | j <- [1..n] ] | i <- [1..m] ]
func make2D(m, n int) [][]float64 { buf := make([]float64, m*n) x := make([][]float64, m) for i := range x { x[i] = buf[:n:n] buf = buf[n:] } return x }
const int m = 2; const int n = 3; double x[m][n];
X = [{R * 1.0, C * 1.0} || R <- lists:seq(1, M), C <- lists:seq(1, N)].
var x = new double[m, n];
X : array (1 .. M, 1 .. N) of Float := (others => (others => 1.0));
$x = array(); $x = array_pad($x, m, 1); for($i = 0; $i < count($x); $i++){ $x[$i] = array(); $x[$i] = array_pad($x[$i],n,1); }
local x = setmetatable({},{ __index = function(t1,k1) t1[k1] = setmetatable({},{ __index = function(t2,k2) t2[k2] = 0 return t2[k2] end }) return t1[k1] end })
(build-list m (lambda (x) (build-list n (lambda (y) 0))))
#include <vector>
std::vector<std::vector<double> > x (m, std::vector<double> (n));
let mut x = [[0.0; N] ; M];
const x = new Array(m).fill(new Array(n).fill(Math.random()));
(for [i (range 1 (inc m))] (for [j (range 1 (inc n))] (* i j)))
x = for _ <- 1..m, do: for _ <- 1..n, do: 0.0
(make-array (list m n) :element-type 'double-float :initial-element 1.0d0)
real, dimension(m,n) :: x
$m = 3; $n = 4; $x = array_map( function () use ($m) { return array_fill(0, $m, 0); }, range(1, $n) );
val x = Array(m, { DoubleArray(n) })
Dim x(m - 1, n - 1) As Double