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2014-12-04 17:53:03 +0200 | asked a question | Plotting a 2d function This should be easy, I want to make a nice colour plot of a 2d function where colour denotes the function value. I can do
and I get a nice plot. If I try
Then sage tells me it can't find the variable y. Which is ridiculous, since y is in the same place as when I tried to plot a 1d function of y. Anyway, I tried googling to find a function within sage to achieve this (without resorting to excessive matplotlib syntax) and had no success so thought I'd ask a question here. Intuitively, the second case is hardly more complicated than the former so there should be a simple function that can realize this for me. Many thanks! |

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