MAT 213 Chapter Notes - Chapter 12: Gyration, Standard Deviation, Toshiyori
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12. 1 double integrals over rectangles notes: sterling. If you recall, then the basic notes are mainly about function"s de nite integrals of a single variable. X = b a i (sample points) while in the subintervals. If that is the case, then the following can be the form of a riemann sum: n . If so, then we can now create x n. When it comes to limits, if you take limits for sums whenever n to help get a function"s de nite integral while from a to b to create the following: Z b a f (x)dx = lim n n. For some people, if f (x) 0, then that would mean the riemann sum can actually be inter- preted as the area"s general sum of the approximating rectangles. If so, then the following can be expressed as the area under y = f (x) (the curve) while from a to b:
