Jdu do práce
Former-commit-id: 445b4ba756f27d5f7388a84a5ac363ba63ea8ed2
This commit is contained in:
Marek Nečada
parent
b19213343b
commit
902bb5a9ea
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@ -4,7 +4,7 @@
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <string.h>
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static const double ln2 = 0.69314718055994531;
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static const double ln2 = 0.693147180559945309417;
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// general; gives an array of size xxx with TODODESC
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// general; gives an array of size xxx with TODODESC
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@ -41,7 +41,7 @@ complex double * hankelcoefftable_init(size_t maxn) {
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void hankelparts_fill(complex double *lrt, complex double *srt, size_t maxn,
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void hankelparts_fill(complex double *lrt, complex double *srt, size_t maxn,
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size_t lrk_cutoff, complex double *hct,
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size_t lrk_cutoff, complex double *hct,
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unsigned kappa, double c, double x) {
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unsigned kappa, double c, double x) {
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memset(lrt, 0, (maxn+1)*sizeof(complex double));
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if (lrt) memset(lrt, 0, (maxn+1)*sizeof(complex double));
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memset(srt, 0, (maxn+1)*sizeof(complex double));
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memset(srt, 0, (maxn+1)*sizeof(complex double));
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double regularisator = pow(1. - exp(-c * x), (double) kappa);
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double regularisator = pow(1. - exp(-c * x), (double) kappa);
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double antiregularisator = 1. - regularisator;
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double antiregularisator = 1. - regularisator;
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@ -51,13 +51,13 @@ void hankelparts_fill(complex double *lrt, complex double *srt, size_t maxn,
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for(size_t n = k; n <= maxn; ++n)
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for(size_t n = k; n <= maxn; ++n)
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srt[n] += ((k<lrk_cutoff) ? antiregularisator : 1)
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srt[n] += ((k<lrk_cutoff) ? antiregularisator : 1)
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* xfrac * hankelcoeffs_get(hct,n)[k];
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* xfrac * hankelcoeffs_get(hct,n)[k];
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if (k < lrk_cutoff) for (size_t n = k; n <= maxn; ++n)
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if (lrt && k < lrk_cutoff) for (size_t n = k; n <= maxn; ++n)
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lrt[n] += regularisator * xfrac * hankelcoeffs_get(hct,n)[k];
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lrt[n] += regularisator * xfrac * hankelcoeffs_get(hct,n)[k];
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}
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}
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complex double expix = cexp(I * x);
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complex double expix = cexp(I * x);
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for(size_t n = 0; n <= maxn; ++n){
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for(size_t n = 0; n <= maxn; ++n)
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srt[n] *= expix;
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if (lrt) for(size_t n = 0; n <= maxn; ++n)
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srt[n] *= expix;
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srt[n] *= expix;
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lrt[n] *= expix;
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}
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}
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}
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@ -16,9 +16,18 @@ hankelcoeffs_get(complex double *hankelcoefftable, size_t n){
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// general; target_longrange and target_shortrange are of size (maxn+1)
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// general; target_longrange and target_shortrange are of size (maxn+1)
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// if target_longrange is NULL, only the short-range part is calculated
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void hankelparts_fill(complex double *target_longrange, complex double *target_shortrange,
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void hankelparts_fill(complex double *target_longrange, complex double *target_shortrange,
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size_t maxn, size_t longrange_k_cutoff, // x**(-(k+1)-1) terms go completely to short-range part
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size_t maxn, size_t longrange_order_cutoff, // x**(-(order+1)-1) terms go completely to short-range part
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complex double *hankelcoefftable,
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complex double *hankelcoefftable,
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unsigned kappa, double c, double x);
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unsigned kappa, double c, double x); // x = k0 * r
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// this declaration is general; however, the implementation
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// is so far only for kappa == ???, maxn == ??? TODO
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void lrhankel_recpart_fill(complex double *target_longrange_kspace,
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size_t maxn, size_t longrange_k_cutoff,
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complex double *hankelcoefftable,
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unsigned kappa, double c, double k0, double k);
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#endif //BESSELS_H
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#endif //BESSELS_H
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@ -38,6 +38,18 @@ complex double fk5q1n2l(double c, double k0, double k,
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- (e[5] - t*a[5] + t*d[5]*a[5])
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- (e[5] - t*a[5] + t*d[5]*a[5])
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)/k0;
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)/k0;
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}
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}
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complex double fk5q1n3l(double c, double k0, double k,
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const complex double *a, const complex double *b, const complex double *d, const complex double *e, const complex double *ash) {
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double kk3 = 3*k*k;
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return (
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- d[0]*(kk3+4*a[0]*a[0])
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+ 5*d[1]*(kk3+4*a[1]*a[1])
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- 10*d[2]*(kk3+4*a[2]*a[2])
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+ 10*d[3]*(kk3+4*a[3]*a[3])
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- 5*d[4]*(kk3+4*a[4]*a[4])
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+ d[5]*(kk3+4*a[5]*a[5])
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)/(k0*k*k*k);
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}
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complex double fk5q2n0(double c, double k0, double k,
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complex double fk5q2n0(double c, double k0, double k,
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const complex double *a, const complex double *b, const complex double *d, const complex double *e, const complex double *ash) {
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const complex double *a, const complex double *b, const complex double *d, const complex double *e, const complex double *ash) {
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return (
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return (
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@ -184,7 +196,7 @@ int main() {
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// complex double fun(double c, double k0, double k, ccd *a, ccd *b, ccd *d, ccd *e)
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// complex double fun(double c, double k0, double k, ccd *a, ccd *b, ccd *d, ccd *e)
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complex double result =
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complex double result =
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//transfuns_f[kappa][qm][n](c,k0,k,a,b,d,e,ash);
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//transfuns_f[kappa][qm][n](c,k0,k,a,b,d,e,ash);
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fk5q2n0s(c,k0,k,a,b,d,e,ash);
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fk5q1n3l(c,k0,k,a,b,d,e,ash);
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printf("%.16e %.16e ", creal(result), cimag(result));
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printf("%.16e %.16e ", creal(result), cimag(result));
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}
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}
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printf("\n");
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printf("\n");
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@ -0,0 +1,380 @@
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(* http://www.wolfram.com/nb *)
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NotebookFileLineBreakTest
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||||
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||||||
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|
||||||
|
]
|
||||||
|
*)
|
||||||
|
|
||||||
|
(* End of internal cache information *)
|
||||||
|
|
@ -291,6 +291,87 @@ extra
|
||||||
.
|
.
|
||||||
\end_layout
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Standard
|
||||||
|
|
||||||
|
\lang english
|
||||||
|
According to Mathematica, the right sum with
|
||||||
|
\begin_inset Formula $s$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
going from 0
|
||||||
|
\begin_inset Formula
|
||||||
|
\begin{equation}
|
||||||
|
\frac{2^{1-q}}{k_{0}^{q}}\sqrt{\pi}\sum_{s=0}^{\infty}\left(-1\right)^{s}k^{-2+q-2s}\left(\sigma c-ik_{0}\right)^{2s}\left(-\frac{\text{Γ}\left(\frac{3-q+n}{2}\right)\left(\frac{3-q+n}{2}\right)_{s}\left(\frac{3-q-n}{2}\right)_{s}}{\text{Γ}\left(\frac{q+n-1}{2}\right)\text{Γ}\left(\frac{3}{2}+s\right)s!}\frac{\left(\sigma c-ik_{0}\right)}{k}\right)\label{eq:right sum}
|
||||||
|
\end{equation}
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
can be written as (mathematica output)
|
||||||
|
\begin_inset Note Note
|
||||||
|
status collapsed
|
||||||
|
|
||||||
|
\begin_layout Plain Layout
|
||||||
|
|
||||||
|
\lang english
|
||||||
|
(2^(2 - q)*k^(-3 + q)*((-I)*k0 + c*sig)*Gamma[(3 + n - q)/2]*Hypergeometric2F1[3
|
||||||
|
/2 - n/2 - q/2, 3/2 + n/2 - q/2, 3/2, (k0 + I*c*sig)^2/k^2])/(k0^q*Gamma[(-1
|
||||||
|
+ n + q)/2])
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\begin_inset Formula
|
||||||
|
\[
|
||||||
|
\frac{2^{2-q}k^{-3+q}\left(-ik_{0}+c\sigma\right)\text{Γ}\left(\frac{3+n-q}{2}\right)\hgf\left(\begin{array}{c}
|
||||||
|
\frac{3-n-q}{2},\frac{3+n-q}{2}\\
|
||||||
|
3/2
|
||||||
|
\end{array};-\frac{\left(\sigma c-ik_{0}\right)^{2}}{k^{2}}\right)}{k_{0}^{q;}\Gamma\left(\frac{-1+n+q}{2}\right)}
|
||||||
|
\]
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Standard
|
||||||
|
|
||||||
|
\lang english
|
||||||
|
Similarly, the left sum
|
||||||
|
\begin_inset Formula
|
||||||
|
\begin{equation}
|
||||||
|
\frac{2^{1-q}}{k_{0}^{q}}\sqrt{\pi}\sum_{s=0}^{\infty}\left(-1\right)^{s}k^{-2+q-2s}\left(\sigma c-ik_{0}\right)^{2s}\left(\frac{\text{Γ}\left(\frac{2-q+n}{2}\right)\left(\frac{2-q+n}{2}\right)_{s}\left(\frac{2-q-n}{2}\right)_{s}}{\text{Γ}\left(\frac{q+n}{2}\right)\text{Γ}\left(\frac{1}{2}+s\right)s!}\right)\label{eq:left sum}
|
||||||
|
\end{equation}
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
gives (mathematica output)
|
||||||
|
\begin_inset Note Note
|
||||||
|
status collapsed
|
||||||
|
|
||||||
|
\begin_layout Plain Layout
|
||||||
|
|
||||||
|
\lang english
|
||||||
|
(2^(1 - q)*k^(-2 + q)*Gamma[(2 + n - q)/2]*Hypergeometric2F1[1 - n/2 - q/2,
|
||||||
|
1 + n/2 - q/2, 1/2, (k0 + I*c*sig)^2/k^2])/(k0^q*Gamma[(n + q)/2])
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
and is equal to
|
||||||
|
\begin_inset Formula
|
||||||
|
\[
|
||||||
|
\frac{2^{1-q}k^{-2+q}\Gamma\left(\frac{2+n-q}{2}\right)\hgf\left(\begin{array}{c}
|
||||||
|
\frac{2-n-q}{2},\frac{2+n-q}{2}\\
|
||||||
|
1/2
|
||||||
|
\end{array};-\frac{\left(\sigma c-ik_{0}\right)^{2}}{k^{2}}\right)}{k_{0}^{q;}\Gamma\left(\frac{n+q}{2}\right)}
|
||||||
|
\]
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
.
|
||||||
|
\end_layout
|
||||||
|
|
||||||
\begin_layout Subparagraph
|
\begin_layout Subparagraph
|
||||||
|
|
||||||
\lang english
|
\lang english
|
||||||
|
|
@ -393,12 +474,83 @@ so
|
||||||
\begin_inset Formula
|
\begin_inset Formula
|
||||||
\begin{eqnarray*}
|
\begin{eqnarray*}
|
||||||
\pht 1{s_{3,k_{0}}^{\textup{L}\kappa>3,c}}\left(k\right) & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{\kor{2^{-2}}k}{k_{0}^{3}}\kor{\sqrt{\pi}\left(\frac{\sigma c-ik_{0}}{k}\right)}\kor 2\frac{\left(\frac{\sigma c-ik_{0}}{k}\right)\sqrt{1+\left(\frac{\sigma c-ik_{0}}{k}\right)^{2}}+\sinh^{-1}\left(\frac{\sigma c-ik_{0}}{k}\right)}{\kor{\sqrt{\pi}\left(\frac{\sigma c-ik_{0}}{k}\right)}}\\
|
\pht 1{s_{3,k_{0}}^{\textup{L}\kappa>3,c}}\left(k\right) & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{\kor{2^{-2}}k}{k_{0}^{3}}\kor{\sqrt{\pi}\left(\frac{\sigma c-ik_{0}}{k}\right)}\kor 2\frac{\left(\frac{\sigma c-ik_{0}}{k}\right)\sqrt{1+\left(\frac{\sigma c-ik_{0}}{k}\right)^{2}}+\sinh^{-1}\left(\frac{\sigma c-ik_{0}}{k}\right)}{\kor{\sqrt{\pi}\left(\frac{\sigma c-ik_{0}}{k}\right)}}\\
|
||||||
& = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{k}{2k_{0}^{3}}\left(\left(\frac{\sigma c-ik_{0}}{k}\right)\sqrt{1+\left(\frac{\sigma c-ik_{0}}{k}\right)^{2}}+\sinh^{-1}\left(\frac{\sigma c-ik_{0}}{k}\right)\right)
|
(Hq3n1) & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{k}{2k_{0}^{3}}\left(\left(\frac{\sigma c-ik_{0}}{k}\right)\sqrt{1+\left(\frac{\sigma c-ik_{0}}{k}\right)^{2}}+\sinh^{-1}\left(\frac{\sigma c-ik_{0}}{k}\right)\right)
|
||||||
\end{eqnarray*}
|
\end{eqnarray*}
|
||||||
|
|
||||||
\end_inset
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\series bold
|
||||||
|
což je prej blbě (zjisti proč – blbě opsáno nebo nesprávná větev logaritmu?);
|
||||||
|
\series default
|
||||||
|
správný výsledek je (mathematica kód:
|
||||||
|
\begin_inset Note Note
|
||||||
|
status collapsed
|
||||||
|
|
||||||
|
\begin_layout Plain Layout
|
||||||
|
- Sum[(-1)^sig Binomial[kap, sig] (((-I)*k0 + c*sig)*(k0*Sqrt[1 - (k0 +
|
||||||
|
I*c*sig)^2/k^2] + I*c*sig*Sqrt[1 - (k0 + I*c*sig)^2/k^2] + k*ArcSin[(k0
|
||||||
|
+ I*c*sig)/k]))/(2*k0^3*(k0 + I*c*sig)) , {sig, 0, kap}]
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
nebo FullSimplify
|
||||||
|
\begin_inset Note Note
|
||||||
|
status collapsed
|
||||||
|
|
||||||
|
\begin_layout Plain Layout
|
||||||
|
(((-I)*k0 + c*sig)*Sqrt[(k^2 - (k0 + I*c*sig)^2)/k^2] - I*k*ArcSin[(k0 +
|
||||||
|
I*c*sig)/k])/(2*k0^3)
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
; snad jsem to tentokrát neopsal blbě)
|
||||||
|
\begin_inset Formula
|
||||||
|
\begin{eqnarray*}
|
||||||
|
\pht 1{s_{3,k_{0}}^{\textup{L}\kappa>3,c}}\left(k\right) & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{\left(-ik_{0}+c\sigma\right)\left(k_{0}\sqrt{1+\left(\frac{\sigma c-ik_{0}}{k}\right)^{2}}+ic\sigma\sqrt{1+\left(\frac{\sigma c-ik_{0}}{k}\right)^{2}}+k\sin^{-1}\left(\frac{k_{0}+ic\sigma}{k}\right)\right)}{2k_{0}^{3}\left(k_{0}+ic\sigma\right)}\\
|
||||||
|
\mbox{(f.simpl.)} & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{\left(-ik_{0}+c\sigma\right)\sqrt{1-\left(\frac{k_{0}+ic\sigma}{k}\right)^{2}}-ik\sin^{-1}\left(\frac{k_{0}+ic\sigma}{k}\right)}{2k_{0}^{3}}
|
||||||
|
\end{eqnarray*}
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Subparagraph
|
||||||
|
Special case
|
||||||
|
\begin_inset Formula $q=3,n=0$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Standard
|
||||||
|
Mathematica řiká po fullsimplify zhruba toto
|
||||||
|
\begin_inset Note Note
|
||||||
|
status open
|
||||||
|
|
||||||
|
\begin_layout Plain Layout
|
||||||
|
Sum[((-1)^(1 + sig)*(k*Sqrt[(k^2 - (k0 + I*c*sig)^2)/k^2] + (k0 + I*c*sig)*ArcSi
|
||||||
|
n[(k0 + I*c*sig)/k])*Binomial[kap, sig])/k0^3, {sig, 0, kap}]
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\begin_inset Formula
|
||||||
|
\begin{eqnarray*}
|
||||||
|
\pht 0{s_{3,k_{0}}^{\textup{L}\kappa>3,c}}\left(k\right) & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{k\sqrt{1-\left(\frac{k_{0}+ic\sigma}{k}\right)^{2}}+\left(k_{0}+ic\sigma\right)\sin^{-1}\left(\frac{k_{0}+ic\sigma}{k}\right)}{k_{0}^{3}}
|
||||||
|
\end{eqnarray*}
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\begin_inset Formula $\kappa\ge2$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
\end_layout
|
\end_layout
|
||||||
|
|
||||||
\begin_layout Paragraph
|
\begin_layout Paragraph
|
||||||
|
|
|
||||||
|
|
@ -2700,6 +2700,79 @@ for
|
||||||
\end_inset
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Paragraph
|
||||||
|
Case
|
||||||
|
\begin_inset Formula $n=1,q=3$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Standard
|
||||||
|
As shown in separate note (check whether copied correctly)
|
||||||
|
\begin_inset Formula
|
||||||
|
\[
|
||||||
|
\pht 1{s_{3,k_{0}}^{\textup{L}\kappa>3,c}}\left(k\right)=-\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{\left(-ik_{0}+c\sigma\right)\sqrt{1-\left(\frac{k_{0}+ic\sigma}{k}\right)^{2}}-ik\sin^{-1}\left(\frac{k_{0}+ic\sigma}{k}\right)}{2k_{0}^{3}}
|
||||||
|
\]
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
for
|
||||||
|
\begin_inset Formula $\kappa\ge3$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
,
|
||||||
|
\begin_inset Formula $k>k_{0}?$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Paragraph
|
||||||
|
Case
|
||||||
|
\begin_inset Formula $n=0,q=3$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\begin_layout Standard
|
||||||
|
As shown in separate note (check whether copied correctly)
|
||||||
|
\lang finnish
|
||||||
|
|
||||||
|
\begin_inset Note Note
|
||||||
|
status collapsed
|
||||||
|
|
||||||
|
\begin_layout Plain Layout
|
||||||
|
|
||||||
|
\lang finnish
|
||||||
|
Sum[((-1)^(1 + sig)*(k*Sqrt[(k^2 - (k0 + I*c*sig)^2)/k^2] + (k0 + I*c*sig)*ArcSi
|
||||||
|
n[(k0 + I*c*sig)/k])*Binomial[kap, sig])/k0^3, {sig, 0, kap}]
|
||||||
|
\end_layout
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\begin_inset Formula
|
||||||
|
\begin{eqnarray*}
|
||||||
|
\pht 0{s_{3,k_{0}}^{\textup{L}\kappa>3,c}}\left(k\right) & = & -\sum_{\sigma=0}^{\kappa}\left(-1\right)^{\sigma}\binom{\kappa}{\sigma}\frac{k\sqrt{1-\left(\frac{k_{0}+ic\sigma}{k}\right)^{2}}+\left(k_{0}+ic\sigma\right)\sin^{-1}\left(\frac{k_{0}+ic\sigma}{k}\right)}{k_{0}^{3}}
|
||||||
|
\end{eqnarray*}
|
||||||
|
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
|
\lang english
|
||||||
|
for
|
||||||
|
\begin_inset Formula $\kappa\ge2$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
,
|
||||||
|
\begin_inset Formula $k>k_{0}?$
|
||||||
|
\end_inset
|
||||||
|
|
||||||
|
|
||||||
\end_layout
|
\end_layout
|
||||||
|
|
||||||
\begin_layout Standard
|
\begin_layout Standard
|
||||||
|
|
@ -3040,9 +3113,10 @@ where the Hankel transform of order
|
||||||
|
|
||||||
is defined as
|
is defined as
|
||||||
\begin_inset Formula
|
\begin_inset Formula
|
||||||
\begin{equation}
|
\begin{eqnarray}
|
||||||
\pht mg\left(k\right)=\int_{0}^{\infty}\ud r\,g(r)J_{m}(kr)r\label{eq:unitary 2d Hankel tf definition}
|
\pht mg\left(k\right) & = & \int_{0}^{\infty}\ud r\, g(r)J_{m}(kr)r\label{eq:unitary 2d Hankel tf definition}\\
|
||||||
\end{equation}
|
& = & \left(-1\right)^{m}\int_{0}^{\infty}\ud r\, g(r)J_{\left|m\right|}(kr)r
|
||||||
|
\end{eqnarray}
|
||||||
|
|
||||||
\end_inset
|
\end_inset
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue