@stdlib/ndarray-zeros-like

Create a zero-filled ndarray having the same shape and data type as a provided ndarray.

https://github.com/stdlib-js/ndarray-zeros-like

Science Score: 44.0%

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Low similarity (16.6%) to scientific vocabulary

Keywords

data fill filled javascript matrix ndarray node node-js nodejs stdlib structure types vector zeros

Last synced: 4 months ago · JSON representation ·

Repository

Create a zero-filled ndarray having the same shape and data type as a provided ndarray.

Basic Info

Host: GitHub
Owner: stdlib-js
License: apache-2.0
Language: JavaScript
Default Branch: main
Homepage: https://github.com/stdlib-js/stdlib
Size: 3.62 MB

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Stars: 1
Watchers: 3
Forks: 0
Open Issues: 0
Releases: 0

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data fill filled javascript matrix ndarray node node-js nodejs stdlib structure types vector zeros

Created almost 4 years ago · Last pushed 5 months ago

Metadata Files

Readme Changelog Contributing License Code of conduct Citation Security

We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.

The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.

When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.

To join us in bringing numerical computing to the web, get started by checking us out on GitHub, and please consider financially supporting stdlib. We greatly appreciate your continued support!

zerosLike

Create a zero-filled ndarray having the same shape and data type as a provided ndarray.

## Installation ```bash npm install @stdlib/ndarray-zeros-like ``` Alternatively, - To load the package in a website via a `script` tag without installation and bundlers, use the [ES Module][es-module] available on the [`esm`][esm-url] branch (see [README][esm-readme]). - If you are using Deno, visit the [`deno`][deno-url] branch (see [README][deno-readme] for usage intructions). - For use in Observable, or in browser/node environments, use the [Universal Module Definition (UMD)][umd] build available on the [`umd`][umd-url] branch (see [README][umd-readme]). The [branches.md][branches-url] file summarizes the available branches and displays a diagram illustrating their relationships. To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.

## Usage ```javascript var zerosLike = require( '@stdlib/ndarray-zeros-like' ); ``` #### zerosLike( x\[, options] ) Creates a zero-filled [ndarray][@stdlib/ndarray/ctor] having the same shape and [data type][@stdlib/ndarray/dtypes] as a provided ndarray. ```javascript var zeros = require( '@stdlib/ndarray-zeros' ); var x = zeros( [ 2, 2 ] ); // returns var y = zerosLike( x ); // returns var sh = y.shape; // returns [ 2, 2 ] var dt = y.dtype; // returns 'float64' ``` The function supports the following `options`: - **dtype**: output [ndarray][@stdlib/ndarray/ctor] [data type][@stdlib/ndarray/dtypes]. Must be a numeric [data type][@stdlib/ndarray/dtypes] or "generic". Overrides the input ndarray's inferred [data type][@stdlib/ndarray/dtypes]. - **shape**: output [ndarray][@stdlib/ndarray/ctor] shape. Overrides the input ndarray's inferred shape. - **order**: specifies whether the output [ndarray][@stdlib/ndarray/ctor] should be `'row-major'` (C-style) or `'column-major'` (Fortran-style). Overrides the input ndarray's inferred order. - **mode**: specifies how to handle indices which exceed array dimensions (see [`ndarray`][@stdlib/ndarray/ctor]). Default: `'throw'`. - **submode**: a mode array which specifies for each dimension how to handle subscripts which exceed array dimensions (see [`ndarray`][@stdlib/ndarray/ctor]). If provided fewer modes than dimensions, the constructor recycles modes using modulo arithmetic. Default: `[ options.mode ]`. - **readonly**: `boolean` indicating whether an array should be **read-only**. Default: `false`. To override either the `dtype`, `shape`, or `order`, specify the corresponding option. For example, to override the inferred [data type][@stdlib/ndarray/dtypes], ```javascript var zeros = require( '@stdlib/ndarray-zeros' ); var x = zeros( [ 2, 2 ] ); // returns var dt = x.dtype; // returns 'float64' var y = zerosLike( x, { 'dtype': 'int32' }); // returns var sh = y.shape; // returns [ 2, 2 ] dt = y.dtype; // returns 'int32' ```

## Examples ```javascript var dtypes = require( '@stdlib/ndarray-dtypes' ); var zeros = require( '@stdlib/ndarray-zeros' ); var zerosLike = require( '@stdlib/ndarray-zeros-like' ); // Get a list of data types: var dt = dtypes( 'numeric' ); // Generate zero-filled arrays... var x; var y; var i; for ( i = 0; i < dt.length; i++ ) { x = zeros( [ 2, 2 ], { 'dtype': dt[ i ] }); y = zerosLike( x ); console.log( y.data ); } ```

* * * ## 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 © 2016-2025. The Stdlib [Authors][stdlib-authors].

Owner

Name: stdlib
Login: stdlib-js
Kind: organization

Website: https://stdlib.io
Twitter: stdlibjs
Repositories: 3,692
Profile: https://github.com/stdlib-js

Standard library for JavaScript.

Citation (CITATION.cff)

cff-version: 1.2.0
title: stdlib
message: >-
  If you use this software, please cite it using the
  metadata from this file.

type: software

authors:
  - name: The Stdlib Authors
    url: https://github.com/stdlib-js/stdlib/graphs/contributors

repository-code: https://github.com/stdlib-js/stdlib
url: https://stdlib.io

abstract: |
  Standard library for JavaScript and Node.js.

keywords:
  - JavaScript
  - Node.js
  - TypeScript
  - standard library
  - scientific computing
  - numerical computing
  - statistical computing

license: Apache-2.0 AND BSL-1.0

date-released: 2016

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Avg Commits per committer: 36.0
Development Distribution Score (DDS): 0.0

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Total versions: 5
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npmjs.org: @stdlib/ndarray-zeros-like

Create a zero-filled ndarray having the same shape and data type as a provided ndarray.

Homepage: https://stdlib.io
License: Apache-2.0
Latest release: 0.3.0
published over 1 year ago

Versions: 5
Dependent Packages: 2
Dependent Repositories: 0
Downloads: 189 Last month

Rankings

Downloads: 13.7%

Forks count: 17.4%

Stargazers count: 18.8%

Average: 21.6%

Dependent repos count: 25.3%

Dependent packages count: 32.9%

Maintainers (4)

planeshifter rreusser stdlib-bot kgryte

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type: opencollective
url: https://opencollective.com/stdlib

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package.json npm

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@stdlib/array-complex64 ^0.0.x development
@stdlib/array-float32 ^0.0.x development
@stdlib/array-float64 ^0.0.x development
@stdlib/array-int16 ^0.0.x development
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@stdlib/array-uint32 ^0.0.x development
@stdlib/array-uint8 ^0.0.x development
@stdlib/array-uint8c ^0.0.x development
@stdlib/assert-instance-of ^0.0.x development
@stdlib/bench ^0.0.x development
@stdlib/math-base-special-pow ^0.0.x development
@stdlib/ndarray-base-zeros ^0.0.x development
@stdlib/ndarray-dtypes ^0.0.x development
@stdlib/ndarray-zeros ^0.0.x development
@stdlib/strided-base-reinterpret-complex128 ^0.0.x development
@stdlib/strided-base-reinterpret-complex64 ^0.0.x development
istanbul ^0.4.1 development
tap-spec 5.x.x development
tape git+https://github.com/kgryte/tape.git#fix/globby development
@stdlib/assert-has-own-property ^0.0.x
@stdlib/assert-is-ndarray-like ^0.0.x
@stdlib/assert-is-nonnegative-integer-array ^0.0.x
@stdlib/assert-is-plain-object ^0.0.x
@stdlib/ndarray-base-buffer ^0.0.x
@stdlib/ndarray-base-numel ^0.0.x
@stdlib/ndarray-base-shape2strides ^0.0.x
@stdlib/ndarray-base-strides2offset ^0.0.x
@stdlib/ndarray-ctor ^0.0.x
@stdlib/string-format ^0.0.x
@stdlib/types ^0.0.x

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@stdlib/ndarray-zeros-like

Science Score: 44.0%

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zerosLike

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npmjs.org: @stdlib/ndarray-zeros-like

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