time-to-botec/js/node_modules/@stdlib/math/base/special/lucas
NunoSempere b6addc7f05 feat: add the node modules
Necessary in order to clearly see the squiggle hotwiring.
2022-12-03 12:44:49 +00:00
..
docs feat: add the node modules 2022-12-03 12:44:49 +00:00
lib feat: add the node modules 2022-12-03 12:44:49 +00:00
package.json feat: add the node modules 2022-12-03 12:44:49 +00:00
README.md feat: add the node modules 2022-12-03 12:44:49 +00:00

Lucas

Compute the nth Lucas number.

The Lucas numbers are the integer sequence

Lucas sequence

The sequence is defined by the recurrence relation

Lucas sequence recurrence relation

Usage

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

lucas( n )

Computes the nth Lucas number.

var v = lucas( 0 );
// returns 2

v = lucas( 1 );
// returns 1

v = lucas( 2 );
// returns 3

v = lucas( 3 );
// returns 4

v = lucas( 76 );
// returns 7639424778862807

If n > 76, the function returns NaN, as larger Lucas numbers cannot be safely represented in double-precision floating-point format.

var v = lucas( 77 );
// returns NaN

If not provided a nonnegative integer value, the function returns NaN.

var v = lucas( 3.14 );
// returns NaN

v = lucas( -1 );
// returns NaN

If provided NaN, the function returns NaN.

var v = lucas( NaN );
// returns NaN

Examples

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

var v;
var i;

for ( i = 0; i < 77; i++ ) {
    v = lucas( i );
    console.log( v );
}