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@stdlib/math-base-special-sinc

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# @stdlib/math-base-special-sinc

Compute the normalized cardinal sine of a number.

0.0.6latest

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# sinc

Compute the cardinal sine of a number.

The normalized cardinal sine function is defined as

for any real number x.

## Installation

npm install @stdlib/math-base-special-sinc 

## Usage

var sinc = require( '@stdlib/math-base-special-sinc' ); 

#### sinc( x )

Computes the normalized cardinal sine of a number.

var v = sinc( 0.5 ); // returns ~0.637 v = sinc( -1.2 ); // returns ~-0.156 v = sinc( 0.0 ); // returns 1.0 v = sinc( NaN ); // returns NaN 

## Examples

var linspace = require( '@stdlib/array-base-linspace' ); var sinc = require( '@stdlib/math-base-special-sinc' ); var x = linspace( -5.0, 5.0, 100 ); var i; for ( i = 0; i < x.length; i++ ) { console.log( sinc( x[ i ] ) ); } 

## Notice

This package is part of 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, see the main project repository.

## What is @stdlib&#x2F;math-base-special-sinc?

Compute the normalized cardinal sine of a number.

## Is @stdlib&#x2F;math-base-special-sinc popular?

The npm package @stdlib&#x2F;math-base-special-sinc receives a total of 134 weekly downloads. As such, @stdlib&#x2F;math-base-special-sinc popularity was classified as not popular.

## Is @stdlib&#x2F;math-base-special-sinc well maintained?

We found that @stdlib&#x2F;math-base-special-sinc demonstrated a healthy version release cadence and project activity. It has 4 open source maintainers collaborating on the project.

Last updated on 16 Feb 2022

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