Re: Gnumeric 1.7.0. on Windows: comments/observations
- From: Jody Goldberg <jody gnome org>
- To: Christian Ritter <ritter stat ucl ac be>
- Cc: gnumeric-list gnome org
- Subject: Re: Gnumeric 1.7.0. on Windows: comments/observations
- Date: Mon, 16 Oct 2006 13:03:52 -0400
On Sun, Oct 15, 2006 at 11:26:52AM +0200, Christian Ritter wrote:
6. (already mentioned in a bug report): The (implicit) handling of some
matrix calculations is inconsistent with what Excel does. On first
sight, the Excel way is not all that "logical", but it's extremely
practical. For example, Xmat*Weight where Xmat is a nxp matrix and
Weight a nx1 vector results in WXmat where all columns of X are (scalar)
multiplied by Weight. Gnumeric does this only for the first column. The
same works when Weight is a 1xp vector. In this case the resulting WXmat
has the rows of Xmat (scalar) multiplied by weight. A third example is
the behavior of =if(vector=transpose(vector),1,0) . If the elements of
vector are different, this generates an identity matrix under Excel.
Under gnumeric, this doesn't work.
This will be patched in 1.7.2 due out tonight.
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