Compute the hyperbolic arcsecant of a number.
var asech = require( '@stdlib/math/base/special/asech' );Computes the hyperbolic arcsecant of x.
var v = asech( 1.0 );
// returns 0.0
v = asech( 0.5 );
// returns ~1.317
v = asech( 0.0 );
// returns InfinityThe domain of x is restricted to the interval [0, 1]. For x outside of this interval, the function returns NaN.
var v = asech( -1.0 );
// returns NaN
v = asech( 2.0 );
// returns NaNvar uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var asech = require( '@stdlib/math/base/special/asech' );
var x = uniform( 100, 0.1, 1.0, {
'dtype': 'float64'
});
logEachMap( 'asech(%0.4f) = %0.4f', x, asech );#include "stdlib/math/base/special/asech.h"Computes the hyperbolic arcsecant of x.
double out = stdlib_base_asech( 1.0 );
// returns 0.0The function accepts the following arguments:
- x:
[in] doubleinput value.
double stdlib_base_asech( const double x );#include "stdlib/math/base/special/asech.h"
#include <stdio.h>
int main( void ) {
const double x[] = { 0.0, 0.5, 1.0, 1.89, 2.33, 3.22, 3.67, 4.11, 4.56, 5.0 };
double v;
int i;
for ( i = 0; i < 10; i++ ) {
v = stdlib_base_asech( x[ i ] );
printf( "asech(%lf) = %lf\n", x[ i ], v );
}
}@stdlib/math/base/special/acosh: compute the hyperbolic arccosine of a double-precision floating-point number.@stdlib/math/base/special/asec: compute the inverse (arc) secant of a number.@stdlib/math/base/special/asech: compute the hyperbolic arcsecant of a number.@stdlib/math/base/special/acoth: compute the inverse hyperbolic cotangent.