Econ 101A operations in Maxima



Hi Maximites,

Could someone point me to directions for doing the following two
things in Maxima (typical I bet of every Econ student starting to use
Maxima):

1.  Constrained optimization a set of non-linear equations using the
Lagrangian multiplier (e.g. utility functions subject to budget
constraint)?

2.  Plotting isolines of a 2-d function (e.g. indifference curves)?

I will admit that I have not really delved into the documentation, but
I did work on it for an  hour or two.  I am hoping that someone might
have an example for these they can link to.

Thanks,
W