Basic plotting of an evaluated function
- To: mathgroup at smc.vnet.net
- Subject: [mg86881] Basic plotting of an evaluated function
- From: "lederer at ssb.rochester.edu" <lederer at ssb.rochester.edu>
- Date: Tue, 25 Mar 2008 01:15:15 -0500 (EST)
I am trying to do something basic--but I cannot figure it out
I have some function in two varaibles
f[x_,y_]= some arbitrary polynomial
Now I want to minimize the function with respect to y over some
compact interval with fixed x
I want to plot the y's versus the x's.
I have tried many things like defining
Many error messages or nothing at all results.........
I am sure this is easy, and someone can suggest how to do this.
However, one more thing would be greatly helpful (give a man a decent
and readable Mathematica manual and he can feed himself...)
I am baffled by what Mathematica wants when it comes to using a single
part of a list and changing it to a scalar. Suppose as above q is a
vector with a rule assigning a value to some variable x that is x-
>some number, and this assignment is in the third position of the list
What is going on with q/.d[] for example: Is q now a scalar? If
not why not?
Thanks for you help,
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