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Create an array filled with ones and having the same length and data type as a provided array.
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stdlib-js/array-ones-like
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Create an array filled with ones and having the same length and data type as a provided array.
npm install @stdlib/array-ones-like
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denobranch (seeREADME for usage intructions). - For use in Observable, or in browser/node environments, use theUniversal Module Definition (UMD) build available on the
umdbranch (seeREADME).
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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.
varonesLike=require('@stdlib/array-ones-like');
Creates an array filled with ones and having the same length and data type as a provided arrayx.
varx=[1,2,3,4,5];vararr=onesLike(x);// returns [ 1, 1, 1, 1, 1 ]
The function supports 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 numberscomplex64: single-precision complex floating-point numbersint32: 32-bit two's complement signed integersuint32: 32-bit unsigned integersint16: 16-bit two's complement signed integersuint16: 16-bit unsigned integersint8: 8-bit two's complement signed integersuint8: 8-bit unsigned integersuint8c: 8-bit unsigned integers clamped to0-255generic: generic JavaScript values
By default, the output array data type is inferred from the provided arrayx. To return an array having a different data type, provide adtype argument.
varx=[0,0];vararr=onesLike(x,'int32');// returns <Int32Array>[ 1, 1 ]
- If the output array has a complex number data type, each element of the returned array has a real component equal to
1and an imaginary component equal to0.
vardtypes=require('@stdlib/array-dtypes');varzeros=require('@stdlib/array-zeros');varonesLike=require('@stdlib/array-ones-like');// Create a zero-filled array:varx=zeros(4,'complex128');// Get a list of array data types:vardt=dtypes();// Generate filled arrays...vary;vari;for(i=0;i<dt.length;i++){y=onesLike(x,dt[i]);console.log(y);}
@stdlib/array-full-like:create a filled array having the same length and data type as a provided array.@stdlib/array-nans-like:create an array filled with NaNs and having the same length and data type as a provided array.@stdlib/array-ones:create an array filled with ones and having a specified length.@stdlib/array-zeros-like:create a zero-filled array having the same length and data type as a provided array.
This package is part ofstdlib, 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 developstdlib, see the main projectrepository.
SeeLICENSE.
Copyright © 2016-2024. The StdlibAuthors.
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Create an array filled with ones and having the same length and data type as a provided array.
