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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions

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. matrix a=2,9,4\7,5,3\6,1,8
. matrix list a
a[3,3]
c1 c2 c3
r1 2 9 4
r2 7 5 3
r3 6 1 8
. matrix b=I(3)
. matrix list b
symmetric b[3,3]
c1 c2 c3
r1 1
r2 0 1
r3 0 0 1
. matrix c=a,b
. matrix list c
c[3,6]
c1 c2 c3 c1 c2 c3
r1 2 9 4 1 0 0
r2 7 5 3 0 1 0
r3 6 1 8 0 0 1
. matrix c=a\b
. matrix list c
c[6,3]
c1 c2 c3
r1 2 9 4
r2 7 5 3
r3 6 1 8
r1 1 0 0
r2 0 1 0
r3 0 0 1

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. mata
: a=2,9,4\7,5,3\6,1,8
: b=I(3)
: a,b
1 2 3 4 5 6
+-------------------------+
1 | 2 9 4 1 0 0 |
2 | 7 5 3 0 1 0 |
3 | 6 1 8 0 0 1 |
+-------------------------+
: a\b
1 2 3
+-------------+
1 | 2 9 4 |
2 | 7 5 3 |
3 | 6 1 8 |
4 | 1 0 0 |
5 | 0 1 0 |
6 | 0 0 1 |
+-------------+
: end