https://www.mathworks.com/help/simbio/ref/simbiology.model.getstoichmatrix.html
getstoichmatrix - Get stoichiometry matrix from model object - MATLAB
This MATLAB function returns a stoichiometry matrix for a SimBiology model object (modelObj) to M.
stoichiometry matrixmodel objectgetmatlab
https://www.mathworks.com/help/simbio/ug/determining-the-stoichiometry-matrix-for-a-model.html
Determining the Stoichiometry Matrix for a Model - MATLAB & Simulink
A stoichiometry matrix provides stoichiometric information about reactants and products in model reactions.
stoichiometry matrixmodelmatlabsimulink