Closed khayyam90 closed 3 years ago
That is helpful - I'm using the QR algorithm to find the eigenvalues, but my implementation chokes on singular matrices.
The right solution is, I think, to fix my QR algorithm implementation (rather than try a different method when it fails). The QR factorization exists for singular matrices (but the result is not unique).
It might be necessary to use an algorithm other than Graham-Schmidt for the QR decomposition.
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Hi,
It's me again, still with the eigen vector calculation. I have another case ending with an error :
Uncaught Error: A is singular; no QR decomposition exists but the eigen values do exist : 3,3,0