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单词 ExampleOfIntegrationOverSphereWithRespectToSurfaceArea
释义

example of integration over sphere with respect to surface area


As an example of how to use the formula derived in http://planetmath.org/node/6664example 1, let us consider the following example:

S(sinucosv-sinv)2d2A=02π0π(sinucosv-sinv)2sinududv=
02π0π(sin3ucos2v-2sin2usinvcosv+sinusin2v)𝑑u𝑑v=
02π(2cos2v-23cos2v-πsinvcosv+2sin2v)𝑑v=
2π-2π3-0+2π=10π3

To return to the main entry http://planetmath.org/node/6660click here.

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更新时间:2025/5/4 16:11:12