[R] Any orthnormal matrix can keep the curve's shape and size unchnaged?

From: Fred <fzh113_at_hecky.it.northwestern.edu>
Date: Fri 30 Jul 2004 - 06:08:52 EST

Dear R users,  

I want to know, given a curve f in d-dimensional space, It is possible to keep the curve’s shape and size unchanged by an arbitrary dxd orthnormal matrix A?
That is, the new curve g = A*f is still the same shape and size as f?  

Thanks for your advices and answers.    


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