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单词 WhenIsAPointInsideATriangle
释义

when is a point inside a triangle


Suppose u,v are vectors in 2, and

x=su+tv

for some s,t. Then x is in the trianglespanned by u and v and the origin if and only if

s,t0,s+t1.
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更新时间:2025/5/5 0:29:57