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A graph of the various level curves of a function is called a contour map. Example: Making a Contour Map Given the function [latex]f\,(x,\ y)=\sqrt{8+8x-4y-4x^{2}-y^{2}}[/latex], find the level curve corresponding to [latex]c=0[/latex].
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Nov 16, 2022 · The level curves (or contour curves) for this surface are given by the equation are found by substituting \(z = k\). In the case of our example this is, \[k = \sqrt {{x^2} + {y^2}} \hspace{0.25in}\hspace{0.25in} \Rightarrow \hspace{0.25in}\hspace{0.25in}{x^2} + {y^2} = {k^2}\]
Level Curves. Author: Sarah Harrelson. New Resources. Untitled; Two-Way Tables and Ven Diagrams; ... Graphing Calculator Calculator Suite Math Resources.
Jan 28, 2022 · Level Curves and Surfaces. Often the reason you are interested in a surface in 3d is that it is the graph \(z=f(x,y)\) of a function of two variables \(f(x,y)\text{.}\) Another good way to visualize the behaviour of a function \(f(x,y)\) is to sketch what are called its level curves.
One way to collapse the graph of a scalar-valued function of two variables into a two-dimensional plot is through level curves. A level curve of a function $f(x,y)$ is the curve of points $(x,y)$ where $f(x,y)$ is some constant value. A level curve is simply a cross section of the graph of $z=f(x,y)$ taken at a constant value, say $z=c$. A ...
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Example 1. Let $f(x,y) = x^2-y^2$. We will study the level curves $c=x^2-y^2$. First, look at the case $c=0$. The level curve equation $x^2-y^2=0$ factors to $(x-y)(x+y)=0$. This equation is satisfied if either $y=x$ or $y=-x$. Both these are equations for lines, so the level curve for $c=0$ is two lines.