chore: align README identity check across blas/base/ndarray/*

Propagates fix from 1f18356 ("chore: modernize examples and benchmarks")
to the complex and swap sibling packages whose README examples still
wrote the output-ndarray identity check as `( y === z )` instead of the
canonical `( z === y )` form used across modernized siblings (daxpy,
saxpy, dcopy, scopy, ...).

Author: claude

lib/node_modules/@stdlib/blas/base/ndarray/caxpy/README.md

@@ -54,7 +54,7 @@ var alpha = scalar2ndarray( new Complex64( 1.0, 2.0 ), {
 var z = caxpy( [ x, y, alpha ] );
 // returns <ndarray>[ <Complex64>[ -2.0, 5.0 ], <Complex64>[ -4.0, 11.0 ], <Complex64>[ -6.0, 17.0 ] ]
 
-var bool = ( y === z );
+var bool = ( z === y );
 // returns true
 ```
 

lib/node_modules/@stdlib/blas/base/ndarray/ccopy/README.md

@@ -49,7 +49,7 @@ var y = new Complex64Vector( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] );
 var z = ccopy( [ x, y ] );
 // returns <ndarray>[ <Complex64>[ 1.0, 2.0 ], <Complex64>[ 3.0, 4.0 ], <Complex64>[ 5.0, 6.0 ] ]
 
-var bool = ( y === z );
+var bool = ( z === y );
 // returns true
 ```
 

lib/node_modules/@stdlib/blas/base/ndarray/dswap/README.md

@@ -54,7 +54,7 @@ var z = dswap( [ x, y ] );
 // x => <ndarray>[ 6.0, 7.0, 8.0, 9.0, 10.0 ]
 // y => <ndarray>[ 1.0, 2.0, 3.0, 4.0, 5.0 ]
 
-var bool = ( y === z );
+var bool = ( z === y );
 // returns true
 ```
 

lib/node_modules/@stdlib/blas/base/ndarray/zaxpy/README.md

@@ -54,7 +54,7 @@ var alpha = scalar2ndarray( new Complex128( 1.0, 2.0 ), {
 var z = zaxpy( [ x, y, alpha ] );
 // returns <ndarray>[ <Complex128>[ -2.0, 5.0 ], <Complex128>[ -4.0, 11.0 ], <Complex128>[ -6.0, 17.0 ] ]
 
-var bool = ( y === z );
+var bool = ( z === y );
 // returns true
 ```
 

lib/node_modules/@stdlib/blas/base/ndarray/zcopy/README.md

@@ -49,7 +49,7 @@ var y = new Complex128Vector( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] );
 var z = zcopy( [ x, y ] );
 // returns <ndarray>[ <Complex128>[ 1.0, 2.0 ], <Complex128>[ 3.0, 4.0 ], <Complex128>[ 5.0, 6.0 ] ]
 
-var bool = ( y === z );
+var bool = ( z === y );
 // returns true
 ```