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Matrix rotation about the X-axis
ROTX(deg)
A 4 by 4 matrix for rotation and translation for 3-D transformation
Angle in degrees
Jonathan M. Lees <jonathan.lees@unc.edu>
Rogers and Adams, 1990, Mathematical Elements for Computer Graphics, McGraw-Hill, 611p.
ROTY, ROTZ
v = c(1,4,5) A = ROTX(23) vp = c(v, 1)
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