Matrix

👨🏻‍🏫 學術台數學

2013-12-05 1:50 am

Use the standard matrix to find the image of the vector (-2,1,2) if it is rotated
a) 45 degree about y-axis
b) 90 degree about z-axis

回答 (2)

2013-12-14 3:38 am

✔ 最佳答案

http://en.wikipedia.org/wiki/Rotation_matrix#In_three_dimensions

2013-12-13 19:38:39 補充：
Note the reference: In three dimensionsBasic rotationsA basic rotation (also called elemental rotation) is a rotation about one of the axes of a Coordinate system. The following three basic rotation matrices rotate vectors by an angle θ about the x, y, or z axis, in three dimensions:
圖片參考：http://upload.wikimedia.org/math/2/8/5/2851c9dc2031127e6dacfb84b96446d8.png

圖片參考：http://imgcld.yimg.com/8/n/HA00430218/o/20131213193347.jpg

參考: http://en.wikipedia.org/wiki/Rotation_matrix#In_three_dimensions

👍 0 👎 0

2013-12-13 1:07 am

Best with thanks

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