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Rotation matrix

Computes the rotation matrix of angle $α$ : $(\begin{matrix} \cos (α) & \sin (α) & 0 \\ - \sin (α) & \cos (α) & 0 \\ 0 & 0 & 1 \end{matrix})$ .

Syntax

rotation_matrix(Real)

rotation_matrix(Point, Vector, Real)

Description

Given a real $\alpha$ , computes the rotation matrix of angle $\alpha$ .

linear_algebra.rotation_matrix1.calc.png

Given a point $P$ , a vector $v$ and a real $\alpha$ , computes the rotation matrix around the line passing through $P$ and vector $v$ with angle $\alpha$ .

linear_algebra.rotation_matrix2.calc.png

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