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About LCKurtz

Retired Math Prof. (ASU)
http://math.asu.edu/~kurtz

Entries by LCKurtz

How to Find a Potential Function of a Vector Field

June 18, 2019/0 Comments/in Mathematics FAQs/by LCKurtz

Definition and summary Given a vector field ##\vec F(x,y,z)## that has a potential function, how do you find it? Conditions and equations $$\nabla \phi(x,y,z) = \vec F(x,y,z)$$ $$\nabla \times \vec F(x,y,z) = \vec 0$$ Recovering the potential: method and examples Suppose we are given a vector field ##\vec F(x,y,z)=\langle f(x,y,z),g(x,y,z),h(x,y,z)\rangle## that has a potential function…

Demystifying Parameterization and Surface Integrals

April 13, 2019/3 Comments/in Mathematics Tutorials/by LCKurtz

Introduction This article will attempt to take the mystery out of setting up surface integrals. It will explain the basic ideas underlying surface integration and show you how to parameterize surfaces to set up the corresponding integrals efficiently. You will need to have had or be taking ##3D## calculus covering multiple integrals to get the…

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