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Offline veb  
#361 Posted : 21 November 2019 12:15:16(UTC)
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Originally Posted by: uni Go to Quoted Post
Unfortunately, this cannot be done yet.


Is there any other extension for smath that allows this?
Offline uni  
#362 Posted : 21 November 2019 12:26:21(UTC)
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Yes, ZedGraph Region supports such axes.
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Offline Jean Giraud  
#363 Posted : 21 November 2019 14:46:38(UTC)
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Originally Posted by: veb Go to Quoted Post
It is necessary to display a logarithmic graph, how to do it in smath?

Try X_Y Zgraph.

Project Bode plot.sm (28kb) downloaded 23 time(s).
2D Plot Stem log10 DECADES Bode.sm (169kb) downloaded 18 time(s).
Offline veb  
#364 Posted : 21 November 2019 16:11:20(UTC)
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Uni and Jean Giraud thank you very much!!!

ZedGraph Region made a logarithmic coordinate axis and build everything
Offline Jean Giraud  
#365 Posted : 21 November 2019 18:41:21(UTC)
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Originally Posted by: veb Go to Quoted Post
ZedGraph Region made a logarithmic coordinate axis and build everything

Such applications are very limited, for convenience.
IMHO, not much useful as we are born Cartesian sight.
Offline alyles  
#366 Posted : 21 November 2019 19:51:27(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
Originally Posted by: veb Go to Quoted Post
ZedGraph Region made a logarithmic coordinate axis and build everything

Such applications are very limited, for convenience.
IMHO, not much useful as we are born Cartesian sight.


I disagree. In electronics engineering we often deal in frequency domain with such applications as filter design, EMI/EMC, control.. just to name a few. Being able to plot on logarithmic scale is necessary in such applications.
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Offline Jean Giraud  
#367 Posted : 21 November 2019 19:56:37(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
Such applications are very limited, for convenience.
IMHO, not much useful as we are born Cartesian sight.

A great utility is the logpts for convenient tabulation/export.
Very useful to adequately populate the vertical region and not
over populate the flat region, especially for interpolation.

Utilities logpts Populate Quick.sm (15kb) downloaded 20 time(s).

Offline mkraska  
#368 Posted : 22 November 2019 00:27:17(UTC)
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Originally Posted by: veb Go to Quoted Post
Originally Posted by: uni Go to Quoted Post
Unfortunately, this cannot be done yet.


Is there any other extension for smath that allows this?


The maxima plugin allows for log plots (all functions of the draw package are available, the draw commands generate images which can be displayed using image region. Alternatively, there are interactive draw regions provided by the plugin.

See for example Ashby style material property charts
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Offline Razonar  
#369 Posted : 22 November 2019 06:51:15(UTC)
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Originally Posted by: mkraska Go to Quoted Post
Originally Posted by: veb Go to Quoted Post
Originally Posted by: uni Go to Quoted Post
Unfortunately, this cannot be done yet.


Is there any other extension for smath that allows this?


The maxima plugin allows for log plots ...


Hi. Can try this other one also, in SMath lang.

examples MNA RLC.sm (220kb) downloaded 36 time(s).
examples MNA RLC.pdf (319kb) downloaded 33 time(s).

Best regards.
Alvaro
thanks 1 user thanked Razonar for this useful post.
on 22/11/2019(UTC)
Offline veb  
#370 Posted : 22 November 2019 12:15:28(UTC)
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Originally Posted by: Razonar Go to Quoted Post


Hi. Can try this other one also, in SMath lang.

examples MNA RLC.sm (220kb) downloaded 36 time(s).
examples MNA RLC.pdf (319kb) downloaded 33 time(s).

Best regards.
Alvaro


wow !!!
When Uni told me that the X-U region does not support the logarithmic axis, I was upset and thought that I could do it in a standard tool. But I could not even imagine that it would be so difficult.
ZedGraf region perfectly copes with the task, it is possible to make legends (have not yet learned). We rarely use charts in calculations.
Offline Jean Giraud  
#371 Posted : 22 November 2019 19:15:33(UTC)
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Originally Posted by: veb Go to Quoted Post
When Uni told me that the X-U region does not support the logarithmic axis, I was upset

Disambiguate:
Smath does not have the Cartesian x,y log axis from command line
like Mathcad 11 and earlier. In lieu X_Y ZedGraph plugin.
I guess Uni [our Viacheslav] is same from former Mathsoft Collaboratory.

Offline oscampo  
#372 Posted : 25 November 2019 18:47:19(UTC)
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Originally Posted by: veb Go to Quoted Post
Hello!
Help with this extension.
It is necessary to display a logarithmic graph, how to do it in smath?
I looked at the settings did not find such an opportunity.


Hi, maybe you can use the information of this post: https://en.smath.com/forum/yaf_postsm7005_Signals-and-Systems.aspx#post7005
thanks 1 user thanked oscampo for this useful post.
on 25/11/2019(UTC)
Offline veb  
#373 Posted : 25 November 2019 21:32:02(UTC)
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Originally Posted by: oscampo Go to Quoted Post

Hi, maybe you can use the information of this post: https://en.smath.com/forum/yaf_postsm7005_Signals-and-Systems.aspx#post7005


Thanks, I'll keep it in mind.
But while the ZedGraph Region completely suits me.
Offline Jean Giraud  
#374 Posted : 26 November 2019 05:47:48(UTC)
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Originally Posted by: veb Go to Quoted Post
But while the ZedGraph Region completely suits me.

What you can do in the linear Cartesian,
you can subdivide between integer values of the quick plot.
You can subdivide in any number of sub-intervals and log10
these sub-intervals. Then plot the stems at those intervals.

Utilities logpts SQRT X,Y.sm (29kb) downloaded 23 time(s).
Offline mkraska  
#375 Posted : 09 February 2020 14:34:10(UTC)
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Pie chart with random colors

piechart.png
piechart.sm (10kb) downloaded 19 time(s).
Martin Kraska

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thanks 4 users thanked mkraska for this useful post.
on 09/02/2020(UTC),  on 09/02/2020(UTC),  on 09/02/2020(UTC),  on 09/02/2020(UTC)
Offline Jean Giraud  
#376 Posted : 09 February 2020 16:03:04(UTC)
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Originally Posted by: mkraska Go to Quoted Post
Pie chart with random colors

Thanks Martin, interesting but not Smath native.
Obviously fails SS 6179 and no use for concluding a document.

Cheers ... Jean

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