refactor: optimize the function

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Author: headlessNode

lib/node_modules/@stdlib/array/base/linspace2d/lib/main.js

@@ -21,7 +21,6 @@
 // MODULES //
 
 var zeros2d = require( '@stdlib/array/base/zeros2d' );
-var linspace = require( '@stdlib/array/base/linspace' );
 
 
 // MAIN //
@@ -44,12 +43,12 @@ var linspace = require( '@stdlib/array/base/linspace' );
 */
 function linspace2d( start, stop, shape, colexicographic ) {
 	var out;
-	var arr;
 	var idx;
 	var s0;
 	var i0;
 	var s1;
 	var i1;
+	var d;
 	var n;
 
 	s0 = shape[ 1 ];
@@ -60,17 +59,18 @@ function linspace2d( start, stop, shape, colexicographic ) {
 		return [];
 	}
 
-	arr = linspace( start, stop, n );
+	d = ( stop - start ) / ( n - 1 );
 	out = zeros2d( shape );
 	idx = 0;
+
 	for ( i1 = 0; i1 < s1; i1++ ) {
 		for ( i0 = 0; i0 < s0; i0++ ) {
 			if ( colexicographic ) {
 				idx = ( i0 * s1 ) + i1;
 			} else {
 				idx = ( i1 * s0 ) + i0;
 			}
-			out[ i1 ][ i0 ] = arr[ idx ];
+			out[ i1 ][ i0 ] = start + ( idx * d );
 		}
 	}
 	return out;