Matrix-Based Minimization
LeastSquares — solve an exact or approximate least-squares problem
PseudoInverse — pseudoinverse of a square or rectangular matrix
Norm — matrix and vector p-norms
QRDecomposition ▪ SingularValueDecomposition
Fit — find a linear least-squares fit to a symbolic basis
FindFit — find a general nonlinear least-squares fit
Statistical Fitting »
LinearModelFit — find a linear regression model and compute properties
NonlinearModelFit ▪ GeneralizedLinearModelFit ▪ LogitModelFit ▪ ...
Convex Optimization »
LinearOptimization — solve linear optimization problems
QuadraticOptimization ▪ SemidefiniteOptimization ▪ ConicOptimization ▪ ...