Point projection via matrices

Författare/skapare:Jonathan Holland

The 3x3 matrix Proj = eye(3) - [P_1;P_2;1][u_1 u_2 0]/dot(u,P) gives the point projection from projection point P=(P_1,P_2) onto the line through the origin with normal u=[u_1;u_2], in homogeneous coordinates.

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Graphs of Rational Expressions
Transforming Random Variables
အခြေခံ data အခေါ်အဝေါ်များ
bewijs stelling van Pythagoras
Tangent Vector (2)

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Exploring Poncelet's Porism
Proof Pythagorean Thm
Tema01_probl4
Angle of Secant and Tangent

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Symmetri
Pythagoras eller Pythagoras sats
Area
Addition
Plan