Cross-Sections of a Surface and Partial Derivatives

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This Demonstration shows a surface and intersecting vertical planes through the and axes. For the curve defined by each intersection, tangent lines at a selected point are drawn. The slopes of the tangents at that point are equal to the partial derivatives and . Cross-sections are also displayed in a two-dimensional plot.

Contributed by: Erik Loge (December 2017)
Open content licensed under CC BY-NC-SA


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