It's expected. If you kept the sparse element at 0 the matrix would
become dense.
3 $. -. $. 3 3 $ _4 {. 1
1
3 $. 1 - $. 3 3 $ _4 {. 1
1
3 $. 2 - $. 3 3 $ _4 {. 1
2
3 $. % $. 3 3 $ _4 {. 1
_
Henry Rich
On 12/11/2023 11:53 AM, David Lambert wrote:
$ ijconsole
JVERSION
Engine: j9.5.0-beta9/j64avx2/linux
Build: commercial/2023-12-06T14:16:14/clang-11-0-0/SLEEF=1
Library: 9.5.5
Platform: Linux 64
Installer: unknown
InstallPath: /usr/share/j/9.5
Contact: www.jsoftware.com
]A=: 3 3 $ _4 {. 1
0 0 0
1 0 0
0 1 0
3 $. $. A
0
3 $. -. $. 3 3 $ _4 {. 1
1
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