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Offline Jean Giraud  
#1 Posted : 20 February 2018 16:47:43(UTC)
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Can't explain why yesterday I got a clean Trifolium,
today it returns crappy again. It puzzled me for quite a while.
I don't lie ... proof => clean InterseX posted last night.
Made a backup last night, crappy today, Ah !
Why that 0 junction from stack(,,,) where there is none from construction ?
It looks like the story of the last candy in the box and "Momy's cat".
Worst than Murphy's law !

2D Parametric Plot [Create Trifolium].sm (63kb) downloaded 27 time(s). ... Smath 6179

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Offline Ber7  
#2 Posted : 20 February 2018 18:19:15(UTC)
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The files differ in the value of N, in the first file N = 100, and in the second file N = 30.
Offline Jean Giraud  
#3 Posted : 21 February 2018 00:28:18(UTC)
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Originally Posted by: Ber7 Go to Quoted Post
The files differ in the value of N, in the first file N = 100, and in the second file N = 30.

... yesterday it doctored itself by coincidence during many attempts.
This version is doctored [gray 235 ... can't explain .
In short shadow in context ... occasional Mathcad/Mathematica.
"shadow in context" is Mathematica expression of code can't be doctored.

2D Parametric Plot [Create Trifolium] Copy.sm (37kb) downloaded 18 time(s). ... doctored 6179

Offline Ber7  
#4 Posted : 21 February 2018 02:06:34(UTC)
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Jean, it seems to me that in the for operator there should be not N, but N + 1.
Offline Jean Giraud  
#5 Posted : 21 February 2018 04:58:57(UTC)
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Originally Posted by: Ber7 Go to Quoted Post
Jean, it seems to me that in the for operator there should be not N, but N 1.


Module xd(L,H,N) has fixed bounds [L, H], 'N' sets the number of calculated values,
including the bounds. It has nothing to do with the "bug". The attached highlights
the bug. Anything you code depend upon invisible/borrowed codes. This one may not
appears in newer versions from newer sub-codes.
Enable/disable => observe the Trifolium plot below.
The Shadow in Context is between the triplet stack(f1,f2,f3) and the residual reverse[v,V4].
Conclusively: should be tested with more recent than SS 6179.
It may suggest to get reverse & stack codes from other sources.
It does not seems to be dependent upon the line code.

ShadowContext.PNG

2D Parametric Plot [Create Trifolium] Copy.sm (38kb) downloaded 22 time(s).
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