Trisurf Monte Carlo simulator
Samo Penic
2014-04-23 0ee39cda7ef53b70ed466d0277d22913eddee689
src/shcomplex.c
@@ -130,31 +130,41 @@
}
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)];
            }
                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));
//    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;
}