sym_isBinary Check if a variable is constrained to be binary sym_isBinary(index) This function checks if a variable is constrained to be binary (0 or 1). index Index of the variable to check. Must be in {0,1,2,...n-1} where n is the number of variables in the problem Returns 1 if the variable is constrained to be binary and 0 if it is not. sym_isBinary(2) Keyur Joshi