Data Envelopment Analysis Toolbox is a new package for MATLAB that includes functions to calculate efficiency and productivity measures. The package covers the radially oriented, directional, additive, allocative, Malmquist índices and Malmquist-Luenberger formulations.
\(P_{{crs}} = \left\{ \left( {{\mathbf{x,y}}} \right)\;| {\mathbf{x}} \geq X\mathbf{\lambda},\;{\mathbf{y}} \leq Y{\mathbf{\lambda }},\;{\mathbf{\lambda }} \geq {\mathbf{0}} \right\}\)