@stdlib/math-base-special-aversin

Compute the inverse versed sine.

Usage no npm install needed!

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README

Arcversine

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Compute the inverse versed sine.

The inverse versed sine is defined as

Inverse versed sine.

Installation

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

Usage

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

aversin( x )

Computes the inverse versed sine.

var v = aversin( 0.0 );
// returns 0.0

v = aversin( 3.141592653589793/2.0 );
// returns ~2.1783

v = aversin( 3.141592653589793/6.0 );
// returns ~1.0742

If x < 0, x > 2, or x is NaN, the function returns NaN.

var v = aversin( -1.0 );
// returns NaN

v = aversin( 3.14 );
// returns NaN

v = aversin( NaN );
// returns NaN

Examples

var linspace = require( '@stdlib/array-base-linspace' );
var aversin = require( '@stdlib/math-base-special-aversin' );

var x = linspace( 0.0, 2.0, 100 );

var i;
for ( i = 0; i < x.length; i++ ) {
    console.log( aversin( x[ i ] ) );
}

See Also

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.

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License

See LICENSE.

Copyright

Copyright © 2016-2022. The Stdlib Authors.