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Jens True
2024-02-27 08:08:48 +00:00
parent 49953d1329
commit 231173dbf2
2 changed files with 17 additions and 14 deletions
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7
src/Numerics/GaussianDistribution.php
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@ -16,6 +16,7 @@ class GaussianDistribution implements \Stringable
* Square Root 2π.
* Precalculated constant for performance reasons
* sqrt(2*pi)
*
* @link https://www.wolframalpha.com/input?i=sqrt%282*pi%29 Source of value
*/
private const M_SQRT_2_PI = 2.5066282746310005024157652848110452530069867406099383166299235763;
@ -24,6 +25,7 @@ class GaussianDistribution implements \Stringable
* Log of Square Root 2π.
* Precalculated constant for performance reasons
* log(sqrt(2*pi))
*
* @link https://www.wolframalpha.com/input?i=log%28sqrt%282*pi%29%29 Source of value
*/
private const M_LOG_SQRT_2_PI = 0.9189385332046727417803297364056176398613974736377834128171515404;
@ -76,8 +78,9 @@ class GaussianDistribution implements \Stringable
}
/**
* Great derivation of this is at
* @link http://www.astro.psu.edu/~mce/A451_2/A451/downloads/notes0.pdf
* Great derivation of this is at
*
* @link http://www.astro.psu.edu/~mce/A451_2/A451/downloads/notes0.pdf
*/
public function getNormalizationConstant(): float
{