| | |
| | | } |
| | | |
| | | |
| | | ts_bool calculateKc(ts_vesicle *vesicle){ |
| | | ts_double calculateKc(ts_vesicle *vesicle){ |
| | | |
| | | ts_int i; |
| | | gsl_matrix *A=gsl_matrix_alloc(vesicle->sphHarmonics->l,2); |
| | | ts_int i,j; |
| | | ts_double retval, bval; |
| | | gsl_matrix *A=gsl_matrix_alloc(vesicle->sphHarmonics->l-1,2); |
| | | gsl_vector *tau=gsl_vector_alloc(2); |
| | | gsl_vector *b=gsl_vector_alloc(vesicle->sphHarmonics->l); |
| | | gsl_vector *b=gsl_vector_alloc(vesicle->sphHarmonics->l-1); |
| | | gsl_vector *x=gsl_vector_alloc(2); |
| | | gsl_vector *res=gsl_vector_alloc(vesicle->sphHarmonics->l); |
| | | gsl_vector *res=gsl_vector_alloc(vesicle->sphHarmonics->l-1); |
| | | |
| | | //solving (A^T*A)*x=A^T*UlmSqAvg |
| | | //solving (A^T*A)*x=A^T*b |
| | | //fill the data for matrix A and vector b |
| | | for(i=1;i<=vesicle->sphHarmonics->l;i++){ |
| | | for(i=1;i<vesicle->sphHarmonics->l;i++){ |
| | | gsl_matrix_set(A, i-1,0,(ts_double)((i-1)*(i+2))); |
| | | gsl_matrix_set(A, i-1,1,(ts_double)((i-1)*(i+2)*(i+1)*i)); |
| | | gsl_vector_set(b,i-1,(ts_double)vesicle->sphHarmonics->N/vesicle->sphHarmonics->sumUlm2[i-1][(i-1)*2]); |
| | | |
| | | bval=0; |
| | | //average for m from 0..l (only positive m's) |
| | | for(j=0;j<i;j++){ |
| | | bval+=vesicle->sphHarmonics->sumUlm2[i][(j+i)]; |
| | | } |
| | | fprintf(stderr,"b[2]=%e\n",gsl_vector_get(b,1)); |
| | | bval=bval/(ts_double)vesicle->sphHarmonics->N/(ts_double)i; |
| | | |
| | | gsl_vector_set(b,i-1,1.0/bval); |
| | | } |
| | | // fprintf(stderr,"b[2]=%e\n",gsl_vector_get(b,1)); |
| | | gsl_linalg_QR_decomp(A,tau); |
| | | gsl_linalg_QR_lssolve(A,tau,b,x,res); |
| | | fprintf(stderr,"kc=%e\n",gsl_vector_get(x,1)); |
| | | |
| | | // fprintf(stderr,"kc=%e\n",gsl_vector_get(x,1)); |
| | | retval=gsl_vector_get(x,1); |
| | | gsl_matrix_free(A); |
| | | gsl_vector_free(tau); |
| | | gsl_vector_free(b); |
| | | gsl_vector_free(x); |
| | | gsl_vector_free(res); |
| | | return TS_SUCCESS; |
| | | |
| | | return retval; |
| | | } |