README.md (2446B)
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 # numel 22 23 > Return the number of elements in an array. 24 25 <!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. --> 26 27 <section class="intro"> 28 29 </section> 30 31 <!-- /.intro --> 32 33 <!-- Package usage documentation. --> 34 35 <section class="usage"> 36 37 ## Usage 38 39 ```javascript 40 var numel = require( '@stdlib/ndarray/base/numel' ); 41 ``` 42 43 #### numel( shape ) 44 45 Returns number of elements in an array. 46 47 ```javascript 48 var n = numel( [ 3, 2, 3 ] ); 49 // returns 18 50 ``` 51 52 </section> 53 54 <!-- /.usage --> 55 56 <!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 57 58 <section class="notes"> 59 60 </section> 61 62 <!-- /.notes --> 63 64 <!-- Package usage examples. --> 65 66 <section class="examples"> 67 68 ## Examples 69 70 <!-- eslint no-undef: "error" --> 71 72 ```javascript 73 var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ); 74 var numel = require( '@stdlib/ndarray/base/numel' ); 75 76 var shape; 77 var n; 78 var i; 79 80 shape = [ 0, 0, 0 ]; 81 for ( i = 0; i < 100; i++ ) { 82 // Generate random NxMxL dimensions: 83 shape[ 0 ] = discreteUniform( 1, 10 ); 84 shape[ 1 ] = discreteUniform( 2, 7 ); 85 shape[ 2 ] = discreteUniform( 1, 12 ); 86 87 n = numel( shape ); 88 console.log( '%s => %d elements', shape.join( 'x' ), n ); 89 } 90 ``` 91 92 </section> 93 94 <!-- /.examples --> 95 96 <!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 97 98 <section class="references"> 99 100 </section> 101 102 <!-- /.references --> 103 104 <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> 105 106 <section class="links"> 107 108 </section> 109 110 <!-- /.links -->