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Custom Formulas/Erf(1) - Series.cfg

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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".
+//
+//      y-cruncher custom custom:"constant - algorithm"
+//
+//
+//    Author:  Alexander J. Yee
+//    Date:    October 24, 2018
+//
+//    Value: 0.84270079294971486934122063508260925929606699796630...
+//
+
+{
+    NameShort : "Erf(1)"
+    NameLong : "Erf(1)"
+    AlgorithmShort : "Series"
+    AlgorithmLong : "Taylor Series"
+    Formula : {
+        Multiply : [
+            {SeriesHypergeometric : {
+                CoefficientP : -6
+                CoefficientQ : 4
+                CoefficientD : 3
+                PolynomialP : [1]
+                PolynomialQ : [-3 -5 -2]
+                PolynomialR : [3 2]
+            }}
+            {Invsqrt : {
+                Pi : {}
+            }}
+        ]
+    }
+}