Searched refs:sigxy (Results 1 – 4 of 4) sorted by relevance
49 sigxy = 0; in clear()68 sigxy += x * y; in add()90 sigxy -= x * y; in remove()103 return (sigxy - sigx * sigy / n) / (sigxx - sigx * sigx / n); in m()139 sigyy + m * (m * sigxx + 2 * (c * sigx - sigxy)) + c * (n * c - in rms()164 error = (sigxy - sigx * sigy / n) / sqrt (error); in spearman()194 a = pos.sigxy - pos.sigx * pos.sigy / pos.n in fit()195 + pdlsq_posdir_ratio * dir.sigxy; in fit()229 - 2 * dir.sigxy * sinx * cosx; in fit()232 - 2 * sinx * cosx * pos.sigxy in fit()
44 sigxy = 0; in clear()66 sigxy += x * y; in add()91 sigxy -= x * y; in remove()116 cubetemp * ((long double) sigxy * n - (long double) sigx * sigy); in fit()129 + (long double) sigxy *n - (long double) sigx *sigy; in fit()141 b = (sigxy * n - sigx * sigy) / (sigxx * n - sigx * sigx); in fit()
61 double sigxy; //sum of xy variable
60 double sigxy; //sum of xy variable