Fix example

Author: kgryte

lib/node_modules/@stdlib/math/base/special/kernel-sin/README.md

@@ -63,7 +63,7 @@ var linspace = require( '@stdlib/math/utils/linspace' );
 var PI = require( '@stdlib/math/constants/float64-pi' );
 var kernelSin = require( '@stdlib/math/base/special/kernel-sin' );
 
-var x = linspace( -4.0/PI, 4.0/PI, 100 );
+var x = linspace( -PI/4.0, PI/4.0, 100 );
 var i;
 
 for ( i = 0; i < x.length; i++ ) {

lib/node_modules/@stdlib/math/base/special/kernel-sin/examples/index.js

@@ -4,7 +4,7 @@ var linspace = require( '@stdlib/math/utils/linspace' );
 var PI = require( '@stdlib/math/constants/float64-pi' );
 var kernelSin = require( './../lib' );
 
-var x = linspace( -4.0/PI, 4.0/PI, 100 );
+var x = linspace( -PI/4.0, PI/4.0, 100 );
 var i;
 
 for ( i = 0; i < x.length; i++ ) {