?? rotz_.m
字號:
function [xd,yd,zd]=rotz_(x,y,z,phi)
cosf=cos(phi*pi/180);sinf=sin(phi*pi/180);
xd = cosf *x - sinf *y;
yd = sinf *x + cosf *y;
zd =z;
% rotz_.m
% rotz_(x,y,z,th) rotates a vector [x,y,z]
% th degrees counter-clockwise about
% the z-axis. See Appendix B; List B.1
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