x = J( 5, 5, . );
Parallel Assign( {}, x[r, c] = 100 * r + c );
x;
[101 102 103 104 105,
201 202 203 204 205,
301 302 303 304 305,
401 402 403 404 405,
501 502 503 504 505]
or
n = 5;
x = 1 :: n;
y = 100 * x;
Repeat( x, n ) + Repeat( y, n )`;
[101 102 103 104 105,
201 202 203 204 205,
301 302 303 304 305,
401 402 403 404 405,
501 502 503 504 505]
Craige