Other Transformation Matrices
Convenience function for a set of circular rotations.
eq.arot2 (n, ..., start=0) eq.brot2 (n, ..., start=0)
n |
Integer, the number of distinct points. |
start |
Numeric, giving the starting angle in radians. |
... |
Ignored. |
They compute a vector of equally-spaced theta values, around a circle.
Then construct the transformation matrices using the theta values.
This can be used to create polygons.
Note that swapping functions, reverses the direction of rotation.
(e.g. Changing eq.arot2 to eq.brot2).
A MatrixArray of 3x3 rotation matrices.
.
######################################## #refer to: #Pre-Multiplication or Post-Multiplication #for better examples ######################################## ps <- c (0, 4) %|*% eq.brot2 (8, start = pi / 8) polyplot (ps)
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