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Fill an input ndarray with a specified value.
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stdlib-js/ndarray-base-fill
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Fill an input ndarray with a specified value.
importfillfrom'https://cdn.jsdelivr.net/gh/stdlib-js/ndarray-base-fill@esm/index.mjs';
Fills an input ndarray with a specified value.
importFloat64Arrayfrom'https://cdn.jsdelivr.net/gh/stdlib-js/array-float64@esm/index.mjs';// Create a data buffer:varxbuf=newFloat64Array([1.0,2.0,3.0,4.0,5.0,6.0]);// Define the shape of the input array:varshape=[3,1,2];// Define the array strides:varsx=[2,2,1];// Define the index offset:varox=0;// Create the input ndarray-like object:varx={'dtype':'float64','data':xbuf,'shape':shape,'strides':sx,'offset':ox,'order':'row-major'};fill(x,10.0);console.log(x.data);// => <Float64Array>[ 10.0, 10.0, 10.0, 10.0, 10.0, 10.0 ]
The function accepts the following arguments:
- x: array-like object containing an input ndarray.
- value: scalar value.
A provided ndarray should be an object with the following properties:
- dtype: data type.
- data: data buffer.
- shape: dimensions.
- strides: stride lengths.
- offset: index offset.
- order: specifies whether an ndarray is row-major (C-style) or column major (Fortran-style).
- If
valueis a number andxhas a complexdata type, the function fills an input ndarray with a complex number whose real component equals the provided scalarvalueand whose imaginary component is zero. - A
valuemust be able to safely cast to the input ndarraydata type. Scalar values having floating-point data types (both real and complex) are allowed to downcast to a lower precision data type of the same kind (e.g., a scalar double-precision floating-point number can be used to fill a'float32'input ndarray). - The functionmutates the input ndarray.
<!DOCTYPE html><htmllang="en"><body><scripttype="module">vardiscreteUniform=require('https://cdn.jsdelivr.net/gh/stdlib-js/random-base-discrete-uniform').factory;importfilledarrayByfrom'https://cdn.jsdelivr.net/gh/stdlib-js/array-filled-by@esm/index.mjs';importndarray2arrayfrom'https://cdn.jsdelivr.net/gh/stdlib-js/ndarray-base-to-array@esm/index.mjs';importfillfrom'https://cdn.jsdelivr.net/gh/stdlib-js/ndarray-base-fill@esm/index.mjs';varx={'dtype':'generic','data':filledarrayBy(10,'generic',discreteUniform(-100,100)),'shape':[5,2],'strides':[2,1],'offset':0,'order':'row-major'};fill(x,10.0);console.log(ndarray2array(x.data,x.shape,x.strides,x.offset,x.order));</script></body></html>
This package is part ofstdlib, a standard library 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 © 2016-2025. The StdlibAuthors.
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