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Integrals of vector functions 
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#1
Nov2912, 03:22 PM

P: 333

What is the geometrical significance of the definite integral of a vector function if any?
e.g. if you integrate a vector function that gives the velocity of some particle between t1 and t2, the vector we get indicates the distance travelled in the i, j and k directions right? does the direction of this vector have any meaning? Also, is there a geometric interpretation of this value like area under the curve for the definite integral of a scalar function? 


#2
Nov2912, 03:57 PM

P: 1,212

specifically the integral of the velocity vector over time will give you the displacement vector, and the direction of this points in the direction of the particle's position at t2 relative to its position at t1.
I'm not sure what you want for a geometric interpretation. There are three curves and three areas the distances travelled in each of the three directions of i, j and k. 


#3
Nov2912, 05:31 PM

P: 333

Thanks. nah i was just wondering if there was somehow an area interpretation like with scalar functions



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