docs: fix variable name and update examples

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---

Author: kgryte

lib/node_modules/@stdlib/lapack/base/zlacpy/lib/zlacpy.js

@@ -45,32 +45,80 @@ var base = require( './base.js' );
 *
 * @example
 * var Complex128Array = require( '@stdlib/array/complex128' );
+* var real = require( '@stdlib/complex/float64/real' );
+* var imag = require( '@stdlib/complex/float64/imag' );
 *
 * var A = new Complex128Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
 * var B = new Complex128Array( 4 );
 *
-* dlacpy( 'row-major', 'all', 2, 2, A, 2, B, 2 );
-* // B => <Complex128Array>
+* zlacpy( 'row-major', 'all', 2, 2, A, 2, B, 2 );
+*
+* var z = B.get( 0 );
+* // returns <Complex128>
+*
+* var v = real( z );
+* // returns 1.0
+*
+* v = imag( z );
+* // returns 2.0
 *
 * @example
 * var Complex128Array = require( '@stdlib/array/complex128' );
+* var real = require( '@stdlib/complex/float64/real' );
+* var imag = require( '@stdlib/complex/float64/imag' );
 *
 * var A = new Complex128Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
 * var B = new Complex128Array( 4 );
 *
-* dlacpy( 'row-major', 'upper', 2, 2, A, 2, B, 2 );
-* // B => <Complex128Array>
+* zlacpy( 'row-major', 'upper', 2, 2, A, 2, B, 2 );
+*
+* var z = B.get( 0 );
+* // returns <Complex128>
+*
+* var v = real( z );
+* // returns 1.0
+*
+* v = imag( z );
+* // returns 2.0
+*
+* z = B.get( 2 );
+* // returns <Complex128>
+*
+* v = real( z );
+* // returns 0.0
+*
+* v = imag( z );
+* // returns 0.0
 *
 * @example
 * var Complex128Array = require( '@stdlib/array/complex128' );
+* var real = require( '@stdlib/complex/float64/real' );
+* var imag = require( '@stdlib/complex/float64/imag' );
 *
 * var A = new Complex128Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
 * var B = new Complex128Array( 4 );
 *
-* dlacpy( 'row-major', 'lower', 2, 2, A, 2, B, 2 );
-* // B => <Complex128Array>
+* zlacpy( 'row-major', 'lower', 2, 2, A, 2, B, 2 );
+*
+* var z = B.get( 0 );
+* // returns <Complex128>
+*
+* var v = real( z );
+* // returns 1.0
+*
+* v = imag( z );
+* // returns 2.0
+*
+* z = B.get( 1 );
+* // returns <Complex128>
+*
+* v = real( z );
+* // returns 0.0
+*
+* v = imag( z );
+* // returns 0.0
 */
-function dlacpy( order, uplo, M, N, A, LDA, B, LDB ) {
+function zlacpy( order, uplo, M, N, A, LDA, B, LDB ) {
 	var sa1;
 	var sa2;
 	var sb1;
@@ -101,4 +149,4 @@ function dlacpy( order, uplo, M, N, A, LDA, B, LDB ) {
 
 // EXPORTS //
 
-module.exports = dlacpy;
+module.exports = zlacpy;