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Compute the absolute value of a double-precision complex floating-point number.
The absolute value of a complex number is defined as
which corresponds to the length of a vector from the origin to a complex value plotted in the complex plane.
import cabs from 'https://cdn.jsdelivr.net/gh/stdlib-js/math-base-special-cabs@deno/mod.js';Computes an absolute value of a double-precision complex floating-point number.
import Complex128 from 'https://cdn.jsdelivr.net/gh/stdlib-js/complex-float64-ctor@deno/mod.js';
var y = cabs( new Complex128( 5.0, 3.0 ) );
// returns ~5.83import Complex128 from 'https://cdn.jsdelivr.net/gh/stdlib-js/complex-float64-ctor@deno/mod.js';
import discreteUniform from 'https://cdn.jsdelivr.net/gh/stdlib-js/random-base-discrete-uniform@deno/mod.js';
import cabs from 'https://cdn.jsdelivr.net/gh/stdlib-js/math-base-special-cabs@deno/mod.js';
var z;
var i;
for ( i = 0; i < 100; i++ ) {
z = new Complex128( discreteUniform( -50, 50 ), discreteUniform( -50, 50 ) );
console.log( 'cabs(%s) = %d', z.toString(), cabs( z ) );
}@stdlib/math-base/special/cabs2: compute the squared absolute value of a double-precision complex floating-point number.@stdlib/math-base/special/abs: compute the absolute value of a double-precision floating-point number.
This package is part of stdlib, 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.
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