Demo script for Parameter Balancing and Enzyme Cost Minimization Prepared model files for E coli central metabolism.are used. The MATLAB function 'ecm_simple' is a wrapper function that reads the data, sets some default parameters, and calls dedicated functions for Parameter Balancing or Enzyme Cost Minimization. The input files (in SBtab format) are given in the subdirectory 'data' The results (in SBtab format) are written to the subdirectory 'results'