View_objective: View_objective, a function that shows the components of the
objective function.
Description
This function takes the argument of type fba_object and prints out the
components of the objective function, i.e substrates and products involved
and their corresponding pseudo-stoichiometry
Usage
View_objective(fba_object)
Arguments
fba_object
Is a list containing the data required to perform flux balance analysis.
The elements of the list are mat which is the stoichiometric matrix, dir which
gives the direction of the equality constraints, obj specifies the objective
function for the simulat