a02dcc

Square root of a complex number 
e04fcc

Unconstrained nonlinear least squares (no derivatives required) 
e04gbc

Unconstrained nonlinear least squares (first derivatives required) 
g02btc

Update a weighted sum of squares matrix with a new observation 
g02buc

Computes a weighted sum of squares matrix 
g02bwc

Computes a correlation matrix from a sum of squares matrix 
g02eac

Computes residual sums of squares for all possible linear regressions for a set of independent variables 
g02ecc

Calculates R^{2} and C_{P} values from residual sums of squares

g13eac

One iteration step of the timevarying Kalman filter recursion using the square root covariance implementation 
g13ebc

One iteration step of the timeinvariant Kalman filter recursion using the square root covariance implementation with (A,C) in lower observer Hessenberg form

g13ecc

One iteration step of the timevarying Kalman filter recursion using the square root information implementation 
g13edc

One iteration step of the timeinvariant Kalman filter recursion using the square root information implementation with (A^{ − 1},A^{ − 1}B) in upper controller Hessenberg form
