docs: add complex number example

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: passed
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/plot/table/unicode/examples/complex.js

@@ -0,0 +1,48 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+var random = require( '@stdlib/random/base/discrete-uniform' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+var filled2dBy = require( '@stdlib/array/base/filled2d-by' );
+var UnicodeTable = require( './../lib' );
+
+function clbk( indices ) {
+	if ( indices[ 1 ] === 0 ) {
+		return indices[ 0 ];
+	}
+	return new Complex128( random( 0, 10 ), random( 0, 10 ) );
+}
+
+// Generate a random data set:
+var data = filled2dBy( [ 10, 4 ], clbk );
+
+// Define column headers:
+var headers = [ 'Row', 'Col 0', 'Col 1', 'Col 2' ];
+
+// Create a table:
+var table = new UnicodeTable( data, {
+	'headers': headers,
+	'rowSeparator': '-'
+});
+
+// Render the table:
+var str = table.render();
+console.log( str );
+// => '...'