sqrt

sqrt EXPR

sqrt

Return the positive square root of EXPR. If EXPR is omitted, uses $_ . Works only for non-negative operands unless you've loaded the Math::Complex module.

use Math::Complex;
print sqrt(-4);    # prints 2i

Links:

http://perldoc.perl.org/5.24.0/functions/sqrt.html

doc_perl

2025-01-10 15:47:30

Comments

Popular Articles

sqrt sqrt(z) Class Public methods Returns the non-negative square root of Complex. sqrt(-1) #=> 0+1.0i sqrt(Complex(-1,0)) #=&g

sqrt (PHP 4, PHP 5, PHP 7) Square root float sqrt ( float $arg ) Returns the square

sqrt sqrt(a) Class Public methods Computes the square root of a. It makes use of Complex and Rational to have no rounding errors if possible

sqrt Defined in header <math.h> float sqrtf( float arg ); (1) (since C99) double sqrt( double arg ); (2) long double

sqrt sqrt(n) Instance Public methods Returns the square root of the value. Result has at least n significant digits.