a matrix subtracted by another gives a scalar value?

Hello

I implement an algorithm, method of recursive least-squares. Something was wrong with the matrix subtraction. This node below sets the context help gives a scalar value. It should be a matrix, anyway.

How can I solve this problem?

Thanks in advance.

Chuan

OK, so somehow messes up code matrix - good discovery/observation Feedback node. Thank you for sending the 'example '. Also, thanks for providing the context for this code.

Bob Schor

Tags: NI Software

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session2:
change cancel
Select
INDX,
ktuxesta,
ktuxecfl,
ktuxesqn,
ktuxesqn envelope #.
ktuxescnw scnW,
SNCB ktuxescnb,
ktuxerdbf dba_file,
ktuxerdbb dba_block,
nub ktuxesiz
Of
x$ ktuxe
where
ktuxesta = 'ACTIVE '.
;
KTUXESTA KTUXECFL KTUXESQN # SCNW DBA_FILE DBA_BLOCK NUB SNCB WRAP INDX
---------- ---------------- ------------------------ ---------- ---------- ---------- ---------- ---------- ---------- ----------
263 ACTIVE NO 4 4 0 736229 5 59 1
BED > define dba 5,59
S/N 0X0140003B (5,59 20971579)
BED > find/c XXXX
File: /oracle/oradata/ora10/undotbs02.dbf (5)
Block: 59 Offsets: 1361 in 1872 Dba:0x0140003b
------------------------------------------------------------------------
58585858 0000000c 00480020 001 0002 001300e2 00000000 01000000 010000e2 c
0000000b 01140008 0401003 b fd070000 00000086 fd070000 a 00400101 002, 0086
00000019 0de30277 00000000 00000000 00000000 00000004 016d18bc 9c0a0000
2a 000010 0000005 00170004 002b 0000 00400101 9c0a00ba 80000075 0e4000b9 b
0e4000ff 12058102 0000002c 0000002f 00070600 00040001 00000002 c1170180
01800778 72021315 162e0180 0180000c 00180010 001 0002 00150005 02000005 c
02000000 00000000 0000000b 01133000 00040002 016d18bc 2a00003b 00400101
002e0008 10400001 12058101 00000065 00090700 00070002 0000002c 104000ff
00000001 80018001 80018001 8002c 109 07787202 1315162e 0000000c 00180010
001C 0002 00150005 02000005 02000000 00000000 0000000 01132f00 00040002 b
016d18bc 2a00003b 00400101 002f0007 10400001 104000ff 12058102 0000002c
00000037 00090700 00070002 00000002 01800180 01800180 07787202 c10e0180
1315162e 0000000c 00180010 001 0002 00150005 02000005 02000000 00000000 c
0000000b 01132e00 00040002 016d18bc 2a00003b 00400101 002c 0007 10400001
104000ff 12058102 00000036 00090700 00070002 00000002 c10e0180 0000002c
01800180 01800180 07787202 1315162e 0000000c 00180010 001 0002 00150005 c
< 32 bytes per line >
BED > d/v s/n 1361 offset 5.59 County 10
File: /oracle/oradata/ora10/undotbs02.dbf (5)
Block: 59 Offsets: Dba:0x0140003b 1361 to 1370
-------------------------------------------------------
58585858 0000000c l 0048 XXXX... H
< 16 bytes per line >
BED >
BED > change/c Davis dba 5,59 1361 offset
WARNING: the content of previous BIFILE will be lost. Move forward? Y (Y/N)
File: /oracle/oradata/ora10/undotbs02.dbf (5)
Block: 59 Offsets: Dba:0x0140003b 1361 to 1370
------------------------------------------------------------------------
44444444 0000000c 0048
< 32 bytes per line >
BED > sum dba 5,59 apply
Check file 5, block 59 value:
current = 0x0c0a, required = 0x0c0a
BED > d/v s/n 1361 offset 5.59 County 10
File: /oracle/oradata/ora10/undotbs02.dbf (5)
Block: 59 Offsets: Dba:0x0140003b 1361 to 1370
-------------------------------------------------------
44444444 0000000c l 0048 Davis... H
< 16 bytes per line >
BED >
session3:
SQL > conn / as sysdba
Connected.
SQL > alter system flush buffer_cache;
Modified system.
SQL > alter system flush shared_pool;
Modified system.
SQL > conn ty/ty
Connected.
SQL > select * from ty.
NAME
--------------------
XXXX
SQL >
SQL > startup force
ORACLE instance started.
Total System Global Area 285212672 bytes
Bytes of size 2020192 fixed
83889312 variable size bytes
192937984 of database buffers bytes
Redo buffers 6365184 bytes
Mounted database.
Open database.
SQL > conn ty/ty
Connected.
SQL > select * from ty.
NAME
--------------------
DELALANDE
SQL >
In 11g
Oracle OS: RHEL X86_64 6.2 11.2.0.2
session1:
SQL > select * from test;
NAME
--------------------
XXXX
SQL > update test set name = "YYYY";
1 line update.
SQL >
session2:
SQL > /.
KTUXESTA KTUXECFL KTUXESQN # SCNW DBA_FILE DBA_BLOCK NUB SNCB WRAP INDX
---------- ---------------- ------------------------ ---------- ---------- ---------- ---------- ---------- ---------- ----------
343 ACTIVE NO 1288 1288 0 1738249 3 242 1
BED > set s/n 3 242
S/N 0X00C000F2 (12583154 3 242)
BED > find/c XXXX
File: /oradata/oradata/ora10/undotbs01.dbf (3)
Block: 242 Offsets: 5741 to 6252 Dba:0x00c000f2
------------------------------------------------------------------------
58585858 0000000 c 004 c 0020 0002 001400 010000 00000000 01000000 cd cd 001C
0000000b 01130008 010000 00014 010e00ed 7d1a0000 00C 000000f2 0c 000000ee
7d1a0000 530c8b99 861 000000f8 has 0000 00000 00000000 00000004 00C 00d7dbf2
0de4dbff 7e000005 00200004 c 0500007 01b 00024 012f0000 80000096 861a 0062
0c 400060 0c4000ff 12058101 0000002c 00070600 00030001 00000002 00db005c
c10702c1 79640b0b 07018007 14151601 80018016 001d000c 004c 0020 00020002
00020007 00010001 000000 cd cd b 010000 00000000 01000000 0000000, 01060008
0c 010000 00014 000000ed 00000090 7d1a0000 7d1a0000 010d00c6 00C 000000f2
cea43485 861 has 0000 00000 00000000 00000004 8fb30005 0d 000000 00C 000000f1
001f0004 c 0500007 01b 00024 012e0000 861a 0062 80000082 0c 400060 0c4000ff
0000002c 12050101 00db0054 000706ff 00040005 00020003 00000001 ff000000
000600c 1 3f0000c1 610000c 1 16000079 640b0b14 15160080 00000080 0000000 c
c 004 0020 0002 001400cd 010000 00000000 01000000 0000000b 01210008 cd 001C
0c 010000 000000f2 00C 7c1a0000 000000C6 7d1a0000 00000090 00014 010c006f
861a 0000 00000 00000000 00000004 0de4dbff 7e000005 06C 00000065 cea43471
001C 0004 0500007c 01b 00024 012d 0000 8000006e 861a 0062 0c 400060 0c4000ff
< 32 bytes per line >
BED > change the offset of 3 242 s/n/c Davis 5741
WARNING: the content of previous BIFILE will be lost. Move forward? Y (Y/N)
File: /oradata/oradata/ora10/undotbs01.dbf (3)
Block: 242 Offsets: 5741 to 6252 Dba:0x00c000f2
------------------------------------------------------------------------
44444444 0000000c 004c 0020 0002 001400cd 010000 00000000 01000000 cd 001C
0000000b 01130008 010000 00014 010e00ed 7d1a0000 00C 000000f2 0c 000000ee
7d1a0000 530c8b99 861 000000f8 has 0000 00000 00000000 00000004 00C 00d7dbf2
0de4dbff 7e000005 00200004 c 0500007 01b 00024 012f0000 80000096 861a 0062
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001f0004 c 0500007 01b 00024 012e0000 861a 0062 80000082 0c 400060 0c4000ff
0000002c 12050101 00db0054 000706ff 00040005 00020003 00000001 ff000000
000600c 1 3f0000c1 610000c 1 16000079 640b0b14 15160080 00000080 0000000 c
c 004 0020 0002 001400cd 010000 00000000 01000000 0000000b 01210008 cd 001C
0c 010000 000000f2 00C 7c1a0000 000000C6 7d1a0000 00000090 00014 010c006f
861a 0000 00000 00000000 00000004 0de4dbff 7e000005 06C 00000065 cea43471
001C 0004 0500007c 01b 00024 012d 0000 8000006e 861a 0062 0c 400060 0c4000ff
< 32 bytes per line >
BED > apply sum s/n 3 242
Check file 3, block 242 value:
current = 0xae88, required = 0xae88
BED >
session3:
SQL > alter system flush buffer_cache;
Modified system.
SQL > conn ty/ty
Connected.
SQL > select * from test;
NAME
--------------------
DELALANDE
SQL >
SQL > select version of v$ instance;
Version
-----------------
11.2.0.2.0
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a matrix subtracted by another gives a scalar value?

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