search for: hp9830a

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2010 Feb 02
1
iterative regressions, adding a new line of data each, time
...nterest more generally, there are a number of tools developed in the 70s for updating the matrix decompositions. There's at least one in my 1979 book "Compact numerical methods for computers" (still in print apparently) -- we didn't have enough space to keep all the data in the HP9830A machine. If there's sufficient interest, I can probably come up with some suitable references. Beyond the historical interest, however, it may be that the updating of the decompositions is useful in improving efficiency of computation and revealing structure of the problems. The cost, of co...