Files
Y-Cruncher/Custom Formulas/Catalan - Huvent (original).cfg
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2021-11-11 21:34:46 -08:00

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// y-cruncher Custom Formula File
//
// This can be loaded directly from the Custom Compute menu or
// entered from the command line as "custom:filename.cfg".
// y-cruncher custom custom:"filename.cfg"
//
//
// Author: Alexander J. Yee
// Date: October 2, 2018
//
// Value = 0.91596559417721901505460351493238411077414937428167...
//
// Formula: G. Huvent (2006)
//
// 3 inf ( 1 ( 2 2 1 ))
// Catalan = --- SUM (-------- (---------- - ---------- + ----------))
// 4 k=0 ( (-4)^k ( (4k+1)^2 (4k+2)^2 (4k+3)^2 ))
//
// 1 inf ( 1 ( 8 4 1 ))
// - ---- SUM (--------- (---------- + ---------- + ----------))
// 32 k=0 ( (-64)^k ( (4k+1)^2 (4k+2)^2 (4k+3)^2 ))
//
// http://functions.wolfram.com/Constants/Catalan/06/01/0007/
//
{
NameShort : "Catalan"
NameLong : "Catalan's Constant"
AlgorithmShort : "Huvent (original)"
AlgorithmLong : "Huvent (2006) (original)"
Formula : {
LinearCombination : [
[-1 {SeriesBinaryBBP : {
CoefficientP : 1
CoefficientQ : 0
CoefficientD : 1
Alternating : "true"
PowerCoef : -2
PowerShift : 1
PolynomialP : [3]
PolynomialQ : [9 -24 16]
}}]
[1 {SeriesBinaryBBP : {
CoefficientP : 1
CoefficientQ : 0
CoefficientD : 1
Alternating : "true"
PowerCoef : -2
PowerShift : 0
PolynomialP : [3]
PolynomialQ : [2 -8 8]
}}]
[-1 {SeriesBinaryBBP : {
CoefficientP : 1
CoefficientQ : 0
CoefficientD : 1
Alternating : "true"
PowerCoef : -2
PowerShift : 0
PolynomialP : [3]
PolynomialQ : [1 -8 16]
}}]
[1 {SeriesBinaryBBP : {
CoefficientP : 1
CoefficientQ : 0
CoefficientD : 1
Alternating : "true"
PowerCoef : -6
PowerShift : 4
PolynomialP : [1]
PolynomialQ : [9 -24 16]
}}]
[1 {SeriesBinaryBBP : {
CoefficientP : 1
CoefficientQ : 0
CoefficientD : 1
Alternating : "true"
PowerCoef : -6
PowerShift : 1
PolynomialP : [1]
PolynomialQ : [1 -4 4]
}}]
[1 {SeriesBinaryBBP : {
CoefficientP : 1
CoefficientQ : 0
CoefficientD : 1
Alternating : "true"
PowerCoef : -6
PowerShift : 1
PolynomialP : [1]
PolynomialQ : [1 -8 16]
}}]
]
}
}