The Vector Equation of a Straight Line. This will help us solve a number of difficult problems soon!

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Your parametrization resembles Wildberger's work on DeCasteljau-Bezier curves. I like it.

theoremus
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So well explained that it feels so simple - yet, you open so many layers of understanding that is is like a window on an entire universe.
Will we have access to the full lectures, exercises, etc. ?

freddupont
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that little perplexity at 15:30.. I've been stumbling over that finding the center of effort of two sails on my boat.. I knew the center should be close to the larger sail, but I kept getting the algebra wrong.. (I need that because I need to get it close to the center of lateral resistance of the boat in water.. then the boat sails straight!) .

paulmitchell
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the asymmetry of (1-t)a+tb bothers me 😭 im sure its somehow symmetric, it has to be, but I just cant figure it out

alegian
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10:24 even though it is not at all obvious? Well, it is.

samueldeandrade