Example 1: Unit Tangent Vector

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In this video I go over an example on determining the derivative of a vector function and then calculating its unit tangent vector when the parameter t = 0. This is a quick example showing how to obtain the derivative of a vector function by components, then using the distance formula in 3D to obtain the derivative magnitude or length. The unit tangent vector is the ratio of the derivative to its length, and describes the direction of the derivative but with a length of 1 unit.

#math #science #calculus #vectors #UnitVector

3 Example 1 Unit Tangent Vector.jpeg

Timestamps

  • Example 1: Derivative and Unit Tangent Vector: 0:00
  • Solution to (a): Derivative of Vector Function by components: 0:27
  • Solution to (b): Unit Tangent Vector at t = 0: 3:11
    • Position vector at t = 0: 5:33
    • Solving for the unit tangent vector at the point (1, 0, 0): 7:04
  • Recall the distance formula in 3D and 2D: 8:56

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I wasn't able to login to the Pump Fun livestream today with the wallet I created last week. I had it on another phone and saved the keys and seed phrase and then there isn't an option to import that on the app or on the web interface. I hit up support about it.

I think a ton of waves are going to be created on Pump Fun and I want to figure all of it out now.

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Update: I did get back into the other wallet basically that was associated to the pump fun username brianphobos. Huge headache because I had downloaded the app on a phone that I had to send back in last week and you can export your seed and keys if you created an account with the app but on the Android app it doesn't allow you to import keys so your are sort of locked out of it in the Android mobile app.

Had to Export the Keys into Phantom and then connect through the mobile browser in the Phantom app on a phone and also I was able to connect to the website.

I wish I would have originally authenticated with my Gmail account because I think that would give me more flexibility across the various platforms.

Trying to get everything setup to move efficiently on there. I did a small purchase of MES but literally the buy button wouldn't work but if I put the pump....address in the swap function in Phantom I was able to get 30,000 MES and it is showing up. I just have to get more funds over to that wallet.

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