2023-10-29

area of a triangle?

On Friday and the weekend, I came up with (what I think is) a novel formula for the area A of a triangle! That's weird. I was looking for a formula in the Deep Sets (or map-reduce) format. Here it is. It's ridiculous and useless, but it involves only sums over functions of the individual corners of the triangle. It was hard to find! But it's exact (I believe).

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