Timeline for Large scale least squares of non symmetric and non square problems
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| May 18, 2014 at 14:11 | comment | added | Brian Borchers | Note that you don't actually have to store multiple copies of $A$ and $A^{T}$. All that LSQR requires is that you be able to compute the matrix vector products $Ax$ and $A^{T}y$. One copy of the $A$ matrix is sufficient for this. | |
| May 18, 2014 at 8:40 | vote | accept | mojovski | ||
| May 18, 2014 at 8:40 | comment | added | mojovski | I probably should have mentioned the authors of the link I posted. Its also from Paige and Saunders. :) However, thank you very much for the link! It is at least a great confirmation of that I did not found something too exotic and that this is a widely used approach. | |
| May 18, 2014 at 2:34 | history | answered | Brian Borchers | CC BY-SA 3.0 |