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Offline Jean Giraud  
#1 Posted : 10 April 2017 16:35:15(UTC)
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Often, very useful .

Jean

Utilities Matrix Rotate Quadrant.sm (32kb) downloaded 44 time(s).
thanks 2 users thanked Jean Giraud for this useful post.
on 10/04/2017(UTC),  on 10/04/2017(UTC)

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Offline Davide Carpi  
#2 Posted : 10 April 2017 18:08:46(UTC)
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even simpler Good

2017-04-10 17_06_46-SMath Studio - [Utilities%20Matrix%20Rotate%20Quadrant.sm_].png
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thanks 3 users thanked Davide Carpi for this useful post.
on 10/04/2017(UTC),  on 10/04/2017(UTC),  on 11/04/2017(UTC)
Offline Jean Giraud  
#3 Posted : 10 April 2017 19:19:26(UTC)
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Originally Posted by: Davide Carpi Go to Quoted Post
even simpler


Thanks Davide: great 6179 !

Jean
Offline ndtma  
#4 Posted : 10 April 2017 20:07:40(UTC)
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Why this happens with attached worksheet?
Mirror_Problem.sm (21kb) downloaded 18 time(s).

Mirror2.jpg

Edited by user 10 April 2017 20:09:58(UTC)  | Reason: Not specified

Look within!... The secret is inside you.
Best Regards
Eng. NDTM Amarasekera - Sri Lanka
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Offline Jean Giraud  
#5 Posted : 11 April 2017 00:43:24(UTC)
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The two red regions created "Unknown error".
The algorithmic chain fails.

Jean

Mirror_Problem.sm (21kb) downloaded 13 time(s).

Utilities Matrix Rotate Quadrant.sm (60kb) downloaded 16 time(s).
Offline Davide Carpi  
#6 Posted : 11 April 2017 12:22:38(UTC)
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Originally Posted by: ndtma Go to Quoted Post
Why this happens with attached worksheet?
Mirror_Problem.sm (21kb) downloaded 18 time(s).

Mirror2.jpg


You found a bug in el(), thank you! Good

added in BTS [SS-2438]

Edited by user 11 April 2017 12:52:09(UTC)  | Reason: Not specified

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Offline Jean Giraud  
#7 Posted : 13 April 2017 02:20:09(UTC)
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Originally Posted by: Davide Carpi Go to Quoted Post
You found a bug in el(), thank you!


Hello Davide,

IMHO, the case reported by collab NDTMA is not a bug.
Simply an instance of "shadow in the context" [Mathematica].
Similar broken algorithmic links have been encountered in Mathcad.
We can't play much with the "vector/matrix" codes.
Here is a similar example in the attached.

Cheers, Jean

Fourier 2D ZOOM Demo QUICK.sm (164kb) downloaded 22 time(s).

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