Discussion: applications of partial derivatives

Please research a specific example of an engineering application (or other real-world application) that utilizes partial derivatives (not just derivatives)! 

• In your original post, complete the following:
  • Show us a specific partial derivative–either by including the equation where you see it and identifying it in your own words, or by explaining the partial derivative concept in context  in a very clear way.  You do not need to explain the entire topic, only  identify where you see a partial derivative, and tell us what that  partial derivative means.

    All explanations should be in your own words!  Keep your post clear and concise (under 500 words).

  • All original posts must reference one source, listed in APA format, for credit.