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 [HP 50g] Vector integration
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[HP 50g] Vector integration
09132015 10:46 AM  edited 09132015 10:49 AM
I've been trying to evaluate a definite integral of a vector, but I believe it is not possible given that the calculator always returns "Bad type argument". Is there any easy way to circumvent it or is there actualy a way to integrate a vector over a finite line?
For reference, the definite integral is: 4/4πε0 ∫(0.1ayaz) /[(.1^2+z^2)^(3/2)]dz from 0 to 0.05
Regards
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[HP 50g] Vector integration
09132015 01:50 PM  edited 09132015 02:09 PM
Hi!, FelipeACP:
Write the integral, as ...
1: '4/(4*π*ε^0)*∫(0,1/20,1/10*(a*ya*z)/((1/10^2+z^2)^(3/2), z)'
Now, the result, with SOLVE, is ... π*a*(4.47214*y1.05573)
Have a nice day !.
@Maké (Technical Advisor Premium  HP Program Top Contributor).
Provost in HP Spanish Public Forum ... https://h30467.www3.hp.com/
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[HP 50g] Vector integration
09132015 02:33 PM  edited 09132015 02:42 PM
Hello Maké,
Thanks for the reply. I tried doing something similar but by 'ay' and 'az' I mean the unit vectors. Upon doing what you say, the z variable in 'az' is reckoned with when integrating with respect to z, which is not my intention. I want it just to be just a vector. In other words, I want essentially to evaluate the integral of the array [0, 0.1, 1] / (0.1 + z^2)^3/2 with respect to z from 0 to 0.05. It should yield say 1.5ay+0.6az and display [0, 1.5,0.6] in HP.
Whenever I try to integrate a vector with the longS function it returns "Bad argument type". The only solution I come up with was to integrate the unit vector ay and az separately, but this will be very tiresome later on. I was hoping there was any easier workaround to this.
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[HP 50g] Vector integration
09132015 08:32 PM  edited 09132015 09:12 PM
Hi, FelipeACP:
See, in ... Wolfram Alpha ...
In, the HP PRIME ...
Have a nice day !.
@Maké (Technical Advisor Premium  HP Program Top Contributor).
Provost in HP Spanish Public Forum ... https://h30467.www3.hp.com/
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