How can I plot 3d graphs of functions defined implicitly (quadratic forms, for Linear Algebra course notes -- I'd like to include lots of examples)? As far as I can see it is not possible with ...
When I looked up the method to express two variable functions as a sequence of intersecting horizontal planes, I thought to use PGFplots to construct a simple set of "slices" of a generic function ...
I was trying to draw something like that Searching through the net to see if it already exists in tikz I came accross in texample.net the following image which looks a lot like what I want to draw. ...
I know how to draw a sine curve in TikZ and I know how to rotate it in the plane of the paper. I would now like to draw a sine curve that oscillates in the depth of the paper - to give the impression ...