stukselbax
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 Dec6 awarded Tumbleweed Nov29 asked How to compare different theoretical models with the experimental model? Nov14 awarded Promoter Oct19 comment Bounds on the real and imaginary parts of the digamma function $\psi$ Probably Euler constant $\gamma$ should be taken into consideration for $Re \Psi (z)$ Sep24 awarded Autobiographer Apr16 comment How to find fitting parameters of the function? I have used the limits for parameters in search operation. Now I will try to change starting point. Apr16 asked How to find fitting parameters of the function? Apr16 accepted Compute integral $\int_{0}^{1} t^{i\eta}(1-tz)^{-2} \, \mathrm{d}t$ analytically Mar23 accepted Paradox with function representation Mar23 comment Paradox with function representation The Nobel Prize has just slipped away from me. Thanks for explanation. Mar23 asked Paradox with function representation Jan11 asked Compute integral $\int_{0}^{1} t^{i\eta}(1-tz)^{-2} \, \mathrm{d}t$ analytically May15 comment What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$ Thanks a lot. I use exactly this integral to compute hypergeometric function. I compute it using Simpson method, and all works for me. My problem was in computation of Gamma functions which have to stand before the integral - but you have reduce the fraction and simplified my task! May15 awarded Scholar May15 accepted What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$ May14 awarded Supporter May14 comment What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$ @J.M. You say that direct numerical solving of hypergeometric equation hard task, isn't it? May14 comment What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$ @J.M. no, they are real(if you speak about $\eta, \beta, k, mu$). this is from physics - it is some kind of differential cross section for Helium. or similar. May14 awarded Student May14 asked What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$