Lanczos with partial reorthogonalization 3 story building with attached tower. Each beam is modeled as a finite element approximation to biharmonic operator with one end free and one end fixed. 80 elements with 3 DOF per node. My browser can't read the compressed data files.
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Click on label to get an explanation. 142631 bytes Matrix Statistics Click on label to get an explanation. 31 min max ave. Top 10 out of 201 nonvoid diagonals. Horst Simon, Boeing Computer Services, Seattle, Washington.