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Forums
Mathematics
Calculus
Double integrals (line vs. Area)
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[QUOTE="starstruck_, post: 6056567, member: 609947"] Hey! So we were doing double integrals in electricity and magnetism for vectors dA and A (for electric flux). I’m a little confused. Doing a double integral of vectors dx and dy gave an area (vector) dA and A. Thinking back to calc 1, when we had FUNCTIONS (not vectors) they gave the area under a curve.Does this mean doing a double integral for vectors (line integral) gives an area spanned by those two vectors in 2D or 3D space. A double integral for regular functions, therefore two variables, gives the volume of that function in 3D space? Am I getting this right? I tried asking someone the first part (about vectors) and they said that’s not necessarily true and now I’m even more confused :)).I’m doing calc 3 at the same time as electricity and magnetism so I don’t know too much, our physics prof is teaching us what he thinks we need to know for our lessons. [/QUOTE]
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Forums
Mathematics
Calculus
Double integrals (line vs. Area)
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