Vector Calculus 20: Heron's Problem, a Vector-Analytic Solution

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It's hard to overestimate how brilliant and satisfying these ideas and their presentation here are. Thanks very much.

eamon_concannon
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Dr. Grinfeld did a remarkble job in his tensir caculus series were he discussed vectors in curved space, imagine what he can do in Euclidean space!

mohammedal-haddad
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This is exciting, even though I've watched this before! The beauty of maths is timeless!

adarshkishore
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Why vectors R_A and R_B can have the same parameter alpha if their points of origin are different?

agrisbuzs
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Don’t the lengths of Ra and Rb change as alpha changes? How can we treat them as vectors of constant lengths?

indiadad
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Whoa! Where do I get a chalkboard robot!? 😍

chrisursich
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I’m the author of the original 2, 000 year-old solution.

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