arpackpp

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How to use `ARSymStdEig` in the shift-invert mode?

2

The problem I'm solving is a truncated SVD, so following an example in the documentation, I'm using `ARSymStdEig` with `ARdsNonSymMatrix` in the following way: ```c++ typedef ARdsNonSymMatrix ArMatrix; ArMatrix ar_matrix(n_rows,...

dburov190

Integer overflow

4

Hello, i recently found a problem in the _arpackpp_ library when trying to compute eigenvalues of very large matrices. This is caused by an integer overflow in the _Prepare_ function...

IdontKehr