[SS-2302] Smath File Crash - Сообщения
#1 Опубликовано: 04.03.2016 23:48:32
The following Smath File worked fine under 97.5890. It opens a Excel data file for analysis.
But it crashes under 98.5905.
Why this happens?
But it crashes under 98.5905.
Why this happens?
Look within!... The secret is inside you.
Best Regards
Eng. NDTM Amarasekera - Sri Lanka
#2 Опубликовано: 05.03.2016 08:08:32
The crash is triggered in sum(1)
Even copying the Q matrix in a definition on the canvas the crash still happens.
Issue isolated: crash sum 1.sm
P.S. try sum(identity(30)) and sum(identity(50)), the second one crashes for me
opened as issue SS-2302
Even copying the Q matrix in a definition on the canvas the crash still happens.
Issue isolated: crash sum 1.sm
P.S. try sum(identity(30)) and sum(identity(50)), the second one crashes for me
opened as issue SS-2302
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#3 Опубликовано: 05.03.2016 08:59:45
Try this instead
#4 Опубликовано: 05.03.2016 09:07:29
#5 Опубликовано: 05.03.2016 12:44:48
P.S. try sum(identity(30)) and sum(identity(50)), the second one crashes for me
The second one crashes for me too
Look within!... The secret is inside you.
Best Regards
Eng. NDTM Amarasekera - Sri Lanka
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Davide Carpi 05.03.2016 13:38:00
#6 Опубликовано: 05.03.2016 18:33:25
Good catch! Fixed (see http://en.smath.info/forum/yaf_postst7329_UPDATED--SMath-Studio-0-98-5908--05-March-2016.aspx).
Regards.
Regards.
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#7 Опубликовано: 05.03.2016 20:55:35
Ioan,
You can dedicate a function "VectorMatrixSum(data)"
Unwrap has many more applications, thus interesting.
Under the hood, your combined Sigmas, they first
Unwrap. Matrices don't exist in computing Machinery.
Matrices exist as serialised components.
The "BombCompute Mathcad 11", copy/paste a fair size
matrix [16000000 per say] takes substantial time.
"Warning: the requested operation may take long time".
Can't be more true.
Cppy/paste 16000000 vector: NO warning message... done.
Chers, Jean
You can dedicate a function "VectorMatrixSum(data)"
Unwrap has many more applications, thus interesting.
Under the hood, your combined Sigmas, they first
Unwrap. Matrices don't exist in computing Machinery.
Matrices exist as serialised components.
The "BombCompute Mathcad 11", copy/paste a fair size
matrix [16000000 per say] takes substantial time.
"Warning: the requested operation may take long time".
Can't be more true.
Cppy/paste 16000000 vector: NO warning message... done.
Chers, Jean
#8 Опубликовано: 06.03.2016 09:49:45
Thank you Andrey.
The problem on Smath file crash is now solved.
The problem on Smath file crash is now solved.
Look within!... The secret is inside you.
Best Regards
Eng. NDTM Amarasekera - Sri Lanka
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Andrey Ivashov 06.03.2016 17:37:00
#9 Опубликовано: 07.03.2016 00:44:24
Thank you Andrey.
The problem on Smath file crash is now solved.
"now solved", maybe not so wrt matrix manipulation.
Observe the matrix scale code: M-Min(M)
I found out this built-in code is weak, prone to failure
with incorrect error message " Matrix is not invertible".
There is no matrix inversion involved. Observe the robust
code doing same. Example has low numerical values. At values
in the order of 10^10, module [1] fails.
Jean
Utilities Matrix Scale.sm
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Davide Carpi 07.03.2016 09:19:00
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