The Relative Gain Array (RGA) is a useful tool for control structure design, which include input and output selection and input-output pairing. This tool calculates the RGA and recommends a set of pairings if the gain is a square matrix. For non-square systems, this tool provides the general RGA and index for input (output) selection, i.e. the so called input (output) effectiveness.
Yi Cao (2022). Relative Gain Array (https://www.mathworks.com/matlabcentral/fileexchange/19096-relative-gain-array), MATLAB Central File Exchange. Retrieved .
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