docs: replace manual for loop in examples

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---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/minmaxabs/README.md

@@ -99,20 +99,17 @@ var bool = ( v === out );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var minmaxabs = require( '@stdlib/math/base/special/minmaxabs' );
 
-var x;
-var y;
-var v;
-var i;
+var opts = {
+    'dtype': 'float64'
+};
+var x = discreteUniform( 100, -100, 100, opts );
+var y = discreteUniform( 100, -100, 100, opts );
 
-for ( i = 0; i < 100; i++ ) {
-    x = ( randu()*100.0 ) - 50.0;
-    y = ( randu()*100.0 ) - 50.0;
-    v = minmaxabs( x, y );
-    console.log( 'minmaxabs(%d,%d) = [%d, %d]', x, y, v[0], v[1] );
-}
+logEachMap( 'minmaxabs(%d, %d) = [%s]', x, y, minmaxabs );
 ```
 
 </section>

lib/node_modules/@stdlib/math/base/special/minmaxabs/examples/index.js

@@ -18,17 +18,14 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var minmaxabs = require( './../lib' );
 
-var x;
-var y;
-var v;
-var i;
+var opts = {
+	'dtype': 'float64'
+};
+var x = discreteUniform( 100, -100, 100, opts );
+var y = discreteUniform( 100, -100, 100, opts );
 
-for ( i = 0; i < 100; i++ ) {
-	x = ( randu()*100.0 ) - 50.0;
-	y = ( randu()*100.0 ) - 50.0;
-	v = minmaxabs( x, y );
-	console.log( 'minmaxabs(%d,%d) = [%d, %d]', x, y, v[0], v[1] );
-}
+logEachMap( 'minmaxabs(%d, %d) = [%s]', x, y, minmaxabs );