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subspace.m

Version 1.1 (2.66 KB) by Andrew Knyazev
Angle between subspaces.
3.7
(3)

3.1K Downloads

Updated 15 May 2015

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SUBSPACE(A,B) finds the largest angle between two subspaces specified by the columns of A and B. If A and B are vectors of unit length, this is the same as COS(ABS(A'*B)) in exact arithmetic. This is a replacement for MATLAB's SUBSPACE.m Rev. 5.5-5.8 that fails to provide correct answers for angles smaller than e-8 and for Rev. 5.9-5.10.4.3 that fails to provide correct answers for angles close to pi/2.

Cite As

Andrew Knyazev (2023). subspace.m (https://www.mathworks.com/matlabcentral/fileexchange/54-subspace-m), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14SP1
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.1

License update to free software (BSD). Comments update.
added a conversion to a toolbox
1.0.0.0

The comments are updated to reflect the problems of the most recent MATLAB's SUBSPACE.m code.