qpms/tests/gsl-intgamma/quad.mathematica

13 lines
368 B
Mathematica

SigmaIntegrand[n_, k_, R_, x_] := Exp[-(R x)^2 + (k/(2 x))^2] x^(2 n) ;
l:= ReadList["values.in", Table[Number, {4}]];
For[i = 1, i <= Length[l], i++,
p := l[[i]];
n := p[[1]];
k := p[[2]];
r := p[[3]];
eta := p[[4]];
res := NIntegrate[SigmaIntegrand[n, k, r, x], {x,eta,Infinity}];
Print[InputForm[n], " ", CForm[k], " ", CForm[r], " ", CForm[res]]
];