Difference between revisions of "Parametrization"

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This technique is particularly useful for calculating [[extrema]] and [[line integrals]].
 
This technique is particularly useful for calculating [[extrema]] and [[line integrals]].
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[[Category:Vector analysis]]
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[[Category:Mathematics]]

Revision as of 17:13, July 13, 2016

Parametrization is a technique in calculus for expressing multiple variables in terms of only one variable, which is usually depicted as "t", over a specified range.

The most common parametrization is for a circle centered at the origin in the xy-plane:

  • <math>x=r \cos(t)</math>
  • <math>y=r \sin(t)</math>
  • <math>z=0</math>
  • <math>0 \le t \le \pi</math>

Always remember to be precise in determining the new limits on the new parameter t.

This technique is particularly useful for calculating extrema and line integrals.