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25.13.5  Graph of a function of two variables

The funcplot or plotfunc command can draw the graphs of two variable functions (see Section 17.2.2 for a full description).

funcplot can take two arguments, an expression with two variables and a list of the two variables (possibly with bounds) and it returns and draws the graph of the expression.

Example

funcplot(x^2+y^2,[x,y])

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