Package Exports
- @stdlib/math-base-special-ramp
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Readme
Ramp Function
Evaluate the ramp function.
The ramp function is defined as
or, alternatively, in terms of the max function
Installation
npm install @stdlib/math-base-special-rampUsage
var ramp = require( '@stdlib/math-base-special-ramp' );ramp( x )
Evaluates the ramp function.
var v = ramp( 3.14 );
// returns 3.14
v = ramp( -3.14 );
// returns 0.0
v = ramp( NaN );
// returns NaNExamples
var linspace = require( '@stdlib/array-linspace' );
var ramp = require( '@stdlib/math-base-special-ramp' );
var x = linspace( -10.0, 10.0, 101 );
var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'R(%d) = %d', x[ i ], ramp( x[ i ] ) );
}C APIs
Installation
npm install @stdlib/math-base-special-rampUsage
#include "stdlib/math/base/special/ramp.h"stdlib_base_ramp( x )
Evaluates the ramp function.
double y = stdlib_base_ramp( 3.0 );
// returns 3.0The function accepts the following arguments:
- x:
[in] doubleinput value.
double stdlib_base_ramp( const double x );Examples
#include "stdlib/math/base/special/ramp.h"
#include <stdio.h>
int main() {
double x[] = { 3.14, -3.14, 0.0, 0.0/0.0 };
double y;
int i;
for ( i = 0; i < 4; i++ ) {
y = stdlib_base_ramp( x[ i ] );
printf( "R(%lf) = %lf\n", x[ i ], y );
}
}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 © 2016-2021. The Stdlib Authors.