包详细信息

@stdlib/array-zeros

stdlib-js1.8kApache-2.00.2.2

Create a zero-filled array having a specified length.

stdlib, stdtypes, types, data

自述文件

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zeros

[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url]

Create a zero-filled array having a specified length.

## Installation bash npm install @stdlib/array-zeros
## Usage javascript var zeros = require( '@stdlib/array-zeros' ); #### zeros( length[, dtype] ) Creates a zero-filled array having a specified length. javascript var arr = zeros( 2 ); // returns <Float64Array>[ 0.0, 0.0 ] The function recognizes the following data types: - float64: double-precision floating-point numbers (IEEE 754) - float32: single-precision floating-point numbers (IEEE 754) - complex128: double-precision complex floating-point numbers - complex64: single-precision complex floating-point numbers - int32: 32-bit two's complement signed integers - uint32: 32-bit unsigned integers - int16: 16-bit two's complement signed integers - uint16: 16-bit unsigned integers - int8: 8-bit two's complement signed integers - uint8: 8-bit unsigned integers - uint8c: 8-bit unsigned integers clamped to 0-255 - generic: generic JavaScript values By default, the output array data type is float64 (i.e., a [typed array][mdn-typed-array]). To specify an alternative data type, provide a dtype argument. javascript var arr = zeros( 2, 'int32' ); // returns <Int32Array>[ 0, 0 ]
## Examples javascript var dtypes = require( '@stdlib/array-dtypes' ); var zeros = require( '@stdlib/array-zeros' ); // Get a list of array data types: var dt = dtypes(); // Generate zero-filled arrays... var arr; var i; for ( i = 0; i < dt.length; i++ ) { arr = zeros( 4, dt[ i ] ); console.log( arr ); }
* ## See Also - [@stdlib/array-empty][@stdlib/array/empty]: create an uninitialized array having a specified length. - [@stdlib/array-full][@stdlib/array/full]: create a filled array having a specified length. - [@stdlib/array-nans][@stdlib/array/nans]: create an array filled with NaNs and having a specified length. - [@stdlib/array-ones][@stdlib/array/ones]: create an array filled with ones and having a specified length. - [@stdlib/array-zeros-like][@stdlib/array/zeros-like]: create a zero-filled array having the same length and data type as a provided array. - [@stdlib/ndarray-zeros][@stdlib/ndarray/zeros]: create a zero-filled ndarray having a specified shape and data type.
* ## Notice This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more. For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib]. #### Community [![Chat][chat-image]][chat-url] --- ## License See [LICENSE][stdlib-license]. ## Copyright Copyright © 2016-2024. The Stdlib [Authors][stdlib-authors].
[npm-image]: http://img.shields.io/npm/v/@stdlib/array-zeros.svg [npm-url]: https://npmjs.org/package/@stdlib/array-zeros [test-image]: https://github.com/stdlib-js/array-zeros/actions/workflows/test.yml/badge.svg?branch=v0.2.2 [test-url]: https://github.com/stdlib-js/array-zeros/actions/workflows/test.yml?query=branch:v0.2.2 [coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/array-zeros/main.svg [coverage-url]: https://codecov.io/github/stdlib-js/array-zeros?branch=main [chat-image]: https://img.shields.io/gitter/room/stdlib-js/stdlib.svg [chat-url]: https://app.gitter.im/#/room/#stdlib-js_stdlib:gitter.im [stdlib]: https://github.com/stdlib-js/stdlib [stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors [umd]: https://github.com/umdjs/umd [es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules [deno-url]: https://github.com/stdlib-js/array-zeros/tree/deno [deno-readme]: https://github.com/stdlib-js/array-zeros/blob/deno/README.md [umd-url]: https://github.com/stdlib-js/array-zeros/tree/umd [umd-readme]: https://github.com/stdlib-js/array-zeros/blob/umd/README.md [esm-url]: https://github.com/stdlib-js/array-zeros/tree/esm [esm-readme]: https://github.com/stdlib-js/array-zeros/blob/esm/README.md [branches-url]: https://github.com/stdlib-js/array-zeros/blob/main/branches.md [stdlib-license]: https://raw.githubusercontent.com/stdlib-js/array-zeros/main/LICENSE [mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray [@stdlib/array/empty]: https://www.npmjs.com/package/@stdlib/array-empty [@stdlib/array/full]: https://www.npmjs.com/package/@stdlib/array-full [@stdlib/array/nans]: https://www.npmjs.com/package/@stdlib/array-nans [@stdlib/array/ones]: https://www.npmjs.com/package/@stdlib/array-ones [@stdlib/array/zeros-like]: https://www.npmjs.com/package/@stdlib/array-zeros-like [@stdlib/ndarray/zeros]: https://www.npmjs.com/package/@stdlib/ndarray-zeros