Lec 30 | MIT 18.02 Multivariable Calculus, Fall 2007

[melisantika]

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[Onepissite]

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[Ondelendo]

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[bebeheuy]

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[willamricard]

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[anakmudajaman]

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[yonatanable]

This is guy is so good in computation than concept explanation

[MrAnuarsh]

What does mean the "vector" dr=(dx,dy,dz) ?

I think it does not have mathematical sense.

[afjkaf312]

@MrAnuarsh the infinitesimal length of r (so small it has no length) is the vector coordinates of the infinitesimal length of x, infinitesimal length of y, and infinitesimal length of z

[AnuarPhysics]

@afjkaf312 Ok, but mathematically, how can you define that? In Differential geometry, an expression like dx maybe means a 1-form. But the "vector" (dx,dy,dz) has no sense.

[pibi84]

"A perverted use of the determinant notation." 45:10

[hesham3540]

is he french ?

[golfguy777]

@hesham3540 yes

[kevinkuei]

I've been following along with these video lectures in conjunction with the calculus class that I'm currently taking at the local community college, and I gotta say they've been invaluable. The examples, little tricks and clarifications by the professor have really made a big difference in my grasp and just comfort level at working with this stuff. When I have the dough, I will be sure to chip back, but for now, a big thank you!

[Ljlualmiao]

Thank you thank you thank you thank you thank you!

[YeaTyrone]

this guy is an amazing lecturer. his videos have helped me out so much. i wish the camera man was a fraction as good as he is, though.

[ALANLEEY]

@YeaTyrone thats rude. and unapropriate..,

[velociti92]

@ALANLEEY the camera man was bad. hes just stating something obvious, that isnt rude