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## Memory Allocation, Plotting

**From**: |
Thomas Viehmann |

**Subject**: |
Memory Allocation, Plotting |

**Date**: |
Sat, 25 Nov 2000 12:00:55 +0100 |

Hi,
I'm using "debianized" Octave 2.1.31 and encountered two problems:
1. How can I change the labels "line x" in my plots?
2. I've tried a "diag(x)" with a 10000 item vector (yes, that
was part of a somewhat awkward attempt to avoid for loops)
which resulted in (of course) an out-of-memory error. So the
questions
that I derived are
- for my concrete problem: Is there an elegant way of
calculating diag(x)*y with x Üin R^n, y Üin R^{n*m}?
- for the diag problem in a more general way: are there
routines/plans to implement routines for sparse matrices?
Greetings+Thanks
Thomas
P.S.: cc of answers to me would be appreciated
-- thomas viehmann, address@hidden
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**Memory Allocation, Plotting**,
*Thomas Viehmann* **<=**