#crossproduct

[56perc]

한 점이 삼각형 내부에 있는지를 체크하기

한 점이 삼각형 내부에 있는지를 체크하기

평면좌표상의 임의의 점 P(px, py) 가 세 점 A(ax, ay), B(bx, by), C(cx, cy)로 이루어진 삼각형 내부에 있는지 외부에 있는지를 판단하는 코드를 작성해보자. 이거 마치 무슨 고등학교 수학문제 같은데, 사실 고등학교 수학 문제 맞다…

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[linalg]

Dot and cross product comparison/intuition

Dot and Cross Product Comparison/Intuition

https://cdn.kastatic.org/KA-youtube-converted/tdwFdzVqito.mp4/tdwFdzVqito.mp4

[mathfortress]

[September 11, 2016] Added The Cross Product (Level 8) in the Calculus III section. This video goes over a second application of the cross product and covers the basic concepts of torque which is also known as moment.

[astrophysicistkev]

A long, grueling proof showing that the magnitude of the cross product of vector A cross vector B is equal to the magnitude of vector A times the magnitude of vector B times sin θ. Calculus in three dimensions. Fun. #calculus #vectorcalculus #knowledge #mathematics #vectors #crossproduct #proof #physics