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| static | gcd ($a, $b) |
| | Compute greates common denominator, using the Euclidean algorithm. More...
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| static | logGamma ($a) |
| | Compute log(Gamma($a)) where $a is a positive real number. More...
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| static | Factorial ($num) |
| | Compute factorial n! for an integer $n using iteration. More...
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| static | SemiFactorial ($num) |
| | Compute semi-factorial n!! for an integer $n using iteration. More...
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| static MathParser\Extensions\Math::Factorial |
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$num | ) |
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static |
Compute factorial n! for an integer $n using iteration.
- Parameters
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- Return values
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| static MathParser\Extensions\Math::gcd |
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$a, |
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$b |
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) |
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static |
Compute greates common denominator, using the Euclidean algorithm.
Compute and return gcd($a, $b)
- Parameters
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- Return values
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| static MathParser\Extensions\Math::lanczosApproximation |
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$x | ) |
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staticprivate |
Compute log(Gamma($x)) using Lanczos approximation.
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- Return values
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| static MathParser\Extensions\Math::logGamma |
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$a | ) |
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static |
Compute log(Gamma($a)) where $a is a positive real number.
For large values of $a ($a > 171), use Stirling asympotic expansion, otherwise use the Lanczos approximation
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- Exceptions
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| InvalidArgumentException | if $a < 0 |
- Return values
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| static MathParser\Extensions\Math::logStirlingApproximation |
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$x | ) |
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staticprivate |
Compute log(Gamma($x)) using Stirling asympotic expansion.
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- Return values
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| static MathParser\Extensions\Math::SemiFactorial |
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$num | ) |
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static |
Compute semi-factorial n!! for an integer $n using iteration.
- Parameters
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- Return values
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The documentation for this class was generated from the following file:
- src/MathParser/Extensions/Math.php
