Hi everyone, I'm a quite new user of maple 13 and i have a problem with the GererateMatrix command.

My porpouse is to convert a ODE problem into a matrix form so I'm using GenerateMatrix command...I pass the ODE equations as a list and then the variables as well. The results is correct and it returns exactly what i've expected but problems start here...

Once I generate the matrix  every list I've previously defined in the worksheet (as for example L:=[a=1,b=2,C=3...