Level Lines
When dealing with multivariable functions, we project how the z axis looks at a certain value and draw it on the 2D plane. If we do that for multiple values of z, we get contours, just like maps.
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When dealing with multivariable functions, we project how the z axis looks at a certain value and draw it on the 2D plane. If we do that for multiple values of z, we get contours, just like maps.