update ndarray.js

Author: Pranavchiku

lib/node_modules/@stdlib/blas/base/snrm2/lib/ndarray.js

@@ -39,13 +39,11 @@ var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
 *
 * @example
 * var Float32Array = require( '@stdlib/array/float32' );
-* var floor = require( '@stdlib/math/base/special/floor' );
 *
 * var x = new Float32Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
-* var N = floor( x.length / 2 );
 *
-* var z = snrm2( N, x, 2, 1 );
-* // returns 5.0
+* var z = snrm2( 3, x, 2, 1 );
+* // returns 3.0
 */
 function snrm2( N, x, stride, offset ) {
 	var scale;