README.md (2171B)
1 <!-- 2 3 @license Apache-2.0 4 5 Copyright (c) 2018 The Stdlib Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 19 --> 20 21 # isSkewCentrosymmetricMatrix 22 23 > Test if a value is a [skew-centrosymmetric matrix][centrosymmetric-matrix]. 24 25 <section class="usage"> 26 27 ## Usage 28 29 <!-- eslint-disable id-length --> 30 31 ```javascript 32 var isSkewCentrosymmetricMatrix = require( '@stdlib/assert/is-skew-centrosymmetric-matrix' ); 33 ``` 34 35 #### isSkewCentrosymmetricMatrix( value ) 36 37 Tests if a value is a [skew-centrosymmetric matrix][centrosymmetric-matrix]. 38 39 <!-- eslint-disable id-length --> 40 41 <!-- eslint-disable array-element-newline --> 42 43 ```javascript 44 var ndarray = require( '@stdlib/ndarray/ctor' ); 45 46 var buffer = [ 47 1, 2, 3, 48 4, 0, -4, 49 -3, -2, -1 50 ]; 51 var arr = ndarray( 'generic', buffer, [ 3, 3 ], [ 3, 1 ], 0, 'row-major' ); 52 53 var bool = isSkewCentrosymmetricMatrix( arr ); 54 // returns true 55 ``` 56 57 </section> 58 59 <!-- /.usage --> 60 61 <section class="examples"> 62 63 ## Examples 64 65 <!-- eslint no-undef: "error" --> 66 67 <!-- eslint-disable id-length --> 68 69 ```javascript 70 var ndarray = require( '@stdlib/ndarray/ctor' ); 71 var isSkewCentrosymmetricMatrix = require( '@stdlib/assert/is-skew-centrosymmetric-matrix' ); 72 73 var arr = ndarray( 'generic', [ 2, 1, -1, -2 ], [ 2, 2 ], [ 2, 1 ], 0, 'row-major' ); 74 var out = isSkewCentrosymmetricMatrix( arr ); 75 // returns true 76 77 out = isSkewCentrosymmetricMatrix( [ 1, 2, 3, 4 ] ); 78 // returns false 79 80 out = isSkewCentrosymmetricMatrix( {} ); 81 // returns false 82 83 out = isSkewCentrosymmetricMatrix( null ); 84 // returns false 85 ``` 86 87 </section> 88 89 <!-- /.examples --> 90 91 <section class="links"> 92 93 [centrosymmetric-matrix]: https://en.wikipedia.org/wiki/Centrosymmetric_matrix 94 95 </section> 96 97 <!-- /.links -->