src/Malenki/Math/Stats/NormalDistribution.php
public function fwhm()
    {
        $float_fwhm = 2 * sqrt(2 * log(2)) * $this->float_sigma;

        if ($this->int_precision) {
            return round($float_fwhm, $this->int_precision);
        }

        return $float_fwhm;
    }
public function fwhm()
    {
        $float_fwhm = 2 * sqrt(2 * log(2)) * $this->float_sigma;

        if ($this->int_precision) {
            return round($float_fwhm, $this->int_precision);
        }

        return $float_fwhm;
    }
Gets the full width at half maximum.

@see NormalDistribution::precision()
@access public
@return float