Determining the Unit Normal Vector to a Curve Given by a Vector Function

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This video explains how to determine the unit normal vector to a curve defined by a vector valued function.

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An hour watching your videos is equivalent to 10 hours sitting in class at uni.
Many thanks.

Virtualmix

I think your videos are better that those of jmtpatrick. You do a better job of explaining concepts and showing the formulas and examples. You've gotten me through summer Cal 1 & 2 class and I'm hoping you can help me through Cal 3. THANK YOU!!!!

MBTHinSPACE

I like the message at the end. And very good tutorial too. Thank you.

samrockseagle

Thank You sir for the good explanation
I think i am not sure there is a littile mistake at 6:13 when you interchange the y(t) and x(t) you forget the t beside 4

Thank you again

MagicalDom

Can we determine the sign in short cut without using graph

shantanuhazra

It would have been super if you had done the dervative of T'(t) and its algebra. I am not complaining, but why not have many different perspective.

hbegay

Hey, what software do you use for the nice 3D graphs? Been using MATLAB but it's a bit tricky.

TheRocker

If T is a scalar multiple of r' then why is it necessary to divide r' by its magnitude shouldn't the derivative of the two parallel vectors still point in the same direction.I know this doesn't work because I have tried it. I'm just curious why it doesn't work

jacksawhavoc

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