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visits member for 2 years, 6 months
seen 15 hours ago

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@stukselbax


15h
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.
16h
asked How to find fitting parameters of the function?
17h
accepted Compute integral $\int_{0}^{1} t^{i\eta}(1-tz)^{-2} \, \mathrm{d}t$ analytically
Mar
23
accepted Paradox with function representation
Mar
23
comment Paradox with function representation
The Nobel Prize has just slipped away from me. Thanks for explanation.
Mar
23
asked Paradox with function representation
Jan
11
asked Compute integral $\int_{0}^{1} t^{i\eta}(1-tz)^{-2} \, \mathrm{d}t$ analytically
May
15
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!
May
15
awarded  Scholar
May
15
accepted What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$
May
14
awarded  Supporter
May
14
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?
May
14
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.
May
14
awarded  Student
May
14
asked What representation should I choose for numerical computation of hypergeometric function ${}_2 F_1(1+i\eta, 2; 2+i\eta; x)$ where $|x|=1$