Blending                A linear inverse blending problem
Chemtax                 An overdetermined linear inverse problem:
                        estimating algal composition based on pigment
                        biomarkers.
E_coli                  An underdetermined linear inverse problem: the
                        Escherichia Coli Core Metabolism Model.
Minkdiet                An underdetermined linear inverse problem:
                        estimating diet composition of Southeast
                        Alaskan Mink.
RigaWeb                 An underdetermined linear inverse problem: the
                        Gulf of Riga *spring* planktonic food web
Solve                   Generalised inverse solution of Ax=B
Solve.banded            Solution of a banded system of linear equations
Solve.block             Solution of an almost block diagonal system of
                        linear equations
Solve.tridiag           Solution of a tridiagonal system of linear
                        equations
ldei                    Weighted Least Distance Programming with
                        equality and inequality constraints.
ldp                     Least Distance Programming
limSolve-package        Solving Linear Inverse Models
linp                    Linear Programming.
lsei                    Least Squares with Equalities and Inequalities
nnls                    Nonnegative Least Squares
resolution              Row and column resolution of a matrix.
varranges               Calculates ranges of inverse variables
varsample               Samples variables of linear inverse problems.
xranges                 Calculates ranges of inverse unknowns
xsample                 Randomly samples an underdetermined problem
                        with linear equality and inequality constraints
