# Scilab beginners **URL:** https://scilab.discourse.group/c/scilab-beginners/6.md [Latest](https://scilab.discourse.group/latest.md) · [Categories](https://scilab.discourse.group/categories.md) · [Tags](https://scilab.discourse.group/tags.md) --- ## [Where and when did Scilab meet the Puffin?](https://scilab.discourse.group/t/where-and-when-did-scilab-meet-the-puffin/46)
**Author:** [@mottelet](https://scilab.discourse.group/u/mottelet)\ **Replies:** 4\ **Last updated:** [November 14, 2023, 8:34am UTC](https://scilab.discourse.group/t/where-and-when-did-scilab-meet-the-puffin/46 "2023-11-14T08:34:50Z")
Hello, If you want to know when the Puffin came into the life of Scilab read this: http://ftp.sun.ac.za/ftp/pub/mirrors/scilab/www.scilab.org/puffin/puffin.html --- ## [About the Scilab beginners category](https://scilab.discourse.group/t/about-the-scilab-beginners-category/12)
**Author:** [@mottelet](https://scilab.discourse.group/u/mottelet)\ **Replies:** 0
If you are an absolute beginner with Scilab and have some difficulties about its installation, basic use and need some help, this is the place to ask your questions. --- ## [Ubuntu installation query](https://scilab.discourse.group/t/ubuntu-installation-query/1149)
**Author:** [@arctica](https://scilab.discourse.group/u/arctica)\ **Replies:** 10\ **Last updated:** [July 7, 2026, 3:43pm UTC](https://scilab.discourse.group/t/ubuntu-installation-query/1149 "2026-07-07T15:43:03Z")
Hi all, I mainly work with Scilab on windows, but have now upgraded an Intel i3 Laptop with integrated Intel Graphics to Ubuntu 26.04. How do I install Scilab correctly on Unbuntu 26.04? Thanks --- ## [Simple xcos file read and plot with C\_scope](https://scilab.discourse.group/t/simple-xcos-file-read-and-plot-with-c-scope/1155)
**Author:** [@greenguy](https://scilab.discourse.group/u/greenguy)\ **Replies:** 1\ **Last updated:** [May 23, 2026, 11:48pm UTC](https://scilab.discourse.group/t/simple-xcos-file-read-and-plot-with-c-scope/1155 "2026-05-23T23:48:44Z")
Trying to do a simple read from file (or workspace) and input this to a c\_scope so I can plot the file contents. Yes I can plot it in SciLab but the point is to fancy with signal processing once I know I can get a strea… --- ## [Problems using part() function in Scilab 2026.0.1](https://scilab.discourse.group/t/problems-using-part-function-in-scilab-2026-0-1/1147)
**Author:** [@vmagnin](https://scilab.discourse.group/u/vmagnin)\ **Replies:** 3\ **Last updated:** [May 6, 2026, 2:32pm UTC](https://scilab.discourse.group/t/problems-using-part-function-in-scilab-2026-0-1/1147 "2026-05-06T14:32:27Z")
Dear Scilab community, I am a newcomer to Scilab, as I am working with a colleague who has given me a .sce file. I have installed Scilab 2026.0.1 via Flatpak under Fedora Linux 43. My problem concerns the $ syntax in t… --- ## [sciLAB fuzzy logic toolbox](https://scilab.discourse.group/t/scilab-fuzzy-logic-toolbox/1076)
**Author:** [@Michael\_Smith](https://scilab.discourse.group/u/Michael_Smith)\ **Replies:** 5\ **Last updated:** [November 10, 2025, 4:56am UTC](https://scilab.discourse.group/t/scilab-fuzzy-logic-toolbox/1076 "2025-11-10T04:56:03Z")
I would like to get the fan1.zcos fuzzy logic demo module. Could anyone provide it to me? Thank you --- ## [Error installing w10](https://scilab.discourse.group/t/error-installing-w10/1046)
**Author:** [@iarlegi](https://scilab.discourse.group/u/iarlegi)\ **Replies:** 6\ **Last updated:** [September 30, 2025, 7:44pm UTC](https://scilab.discourse.group/t/error-installing-w10/1046 "2025-09-30T19:44:12Z")
Hello, I have the next error and I don\`t know whta to do to solve it. Can somone help me? Thanks in advance. --- ## [Installer problem with the processor](https://scilab.discourse.group/t/installer-problem-with-the-processor/700)
**Author:** [@Mau](https://scilab.discourse.group/u/Mau)\ **Replies:** 3\ **Last updated:** [August 17, 2025, 10:14am UTC](https://scilab.discourse.group/t/installer-problem-with-the-processor/700 "2025-08-17T10:14:07Z")
Hi! I’ve tried to install scilab on my computer which has a Snapdragon X Elite processor, after selecting the language for the installation, it appears an error message about not having an x64 processor architecture, as … --- ## [Line connection between blocks](https://scilab.discourse.group/t/line-connection-between-blocks/998)
**Author:** [@Fortunato](https://scilab.discourse.group/u/Fortunato)\ **Replies:** 2\ **Last updated:** [July 8, 2025, 12:42pm UTC](https://scilab.discourse.group/t/line-connection-between-blocks/998 "2025-07-08T12:42:48Z")
I am trying to draw a PID using blocks; when I save the file and reopen always I find that some lines are zig-zag. Sometimes I redraw and it goes ok. I did not understand what should I have to do to avoid this behaviour. … --- ## [Debugging commands like setbpt, dispbpt are not recognized on the command panel](https://scilab.discourse.group/t/debugging-commands-like-setbpt-dispbpt-are-not-recognized-on-the-command-panel/965)
**Author:** [@Reinaldo](https://scilab.discourse.group/u/Reinaldo)\ **Replies:** 4\ **Last updated:** [June 11, 2025, 12:35pm UTC](https://scilab.discourse.group/t/debugging-commands-like-setbpt-dispbpt-are-not-recognized-on-the-command-panel/965 "2025-06-11T12:35:18Z")
Debugging commands like setbpt, dispbpt are not recognized on the command panel. On debug environment, the breakpoints configured don’t stop the running of the script. The version of Scilab is 2025.1.0, that ist the las… --- ## [Error emerges in MacOS](https://scilab.discourse.group/t/error-emerges-in-macos/919)
**Author:** [@Diana](https://scilab.discourse.group/u/Diana)\ **Replies:** 16\ **Last updated:** [May 27, 2025, 6:47am UTC](https://scilab.discourse.group/t/error-emerges-in-macos/919 "2025-05-27T06:47:02Z")
Hello. I installed scilab-2025.0.0-arm64-repack1.dmg file succesfully and it worked on Monday. However, some problem is caused since Wednesday. I cannot make a new file in Scilab. Therefore, I have to make an empty file… --- ## [Scilab IDE alternatives; code folding](https://scilab.discourse.group/t/scilab-ide-alternatives-code-folding/143)
**Author:** [@Smart](https://scilab.discourse.group/u/Smart)\ **Replies:** 15\ **Last updated:** [April 9, 2025, 9:16am UTC](https://scilab.discourse.group/t/scilab-ide-alternatives-code-folding/143 "2025-04-09T09:16:08Z")
Hello, is there an alternative IDE available for Scilab? If you’re accustomed to features like code folding and auto-fill, the Scilab Editor is not very comfortable. Thx, Smarty --- ## [¿How to visualize inequalities with plot?](https://scilab.discourse.group/t/how-to-visualize-inequalities-with-plot/814)
**Author:** [@mtlb](https://scilab.discourse.group/u/mtlb)\ **Replies:** 5\ **Last updated:** [February 13, 2025, 3:47pm UTC](https://scilab.discourse.group/t/how-to-visualize-inequalities-with-plot/814 "2025-02-13T15:47:57Z")
I have the following inequalities: \\begin{align\*} x+y&\\leq 3\\\\ 5x+4y&\\geq 20\\\\ x&\\geq 0\\\\ y&\\geq 0 \\end{align\*} How can I visualize them and its feasible region? --- ## [Error: syntax error, unexpected end of line](https://scilab.discourse.group/t/error-syntax-error-unexpected-end-of-line/656)
**Author:** [@Vimsrocz](https://scilab.discourse.group/u/Vimsrocz)\ **Replies:** 6\ **Last updated:** [October 3, 2024, 1:40pm UTC](https://scilab.discourse.group/t/error-syntax-error-unexpected-end-of-line/656 "2024-10-03T13:40:25Z")
genlib: Processing file: System\_IF.sci at line 58 of function genlib at line 42 of function tbx\_build\_macros ( C:\\Program Files\\scilab-2024.0.0\\modules\\modules\_manager\\macros\\tbx\_build\_macros.sci lin… --- ## [Function variables](https://scilab.discourse.group/t/function-variables/603)
**Author:** [@Robot](https://scilab.discourse.group/u/Robot)\ **Replies:** 2\ **Last updated:** [August 9, 2024, 4:32pm UTC](https://scilab.discourse.group/t/function-variables/603 "2024-08-09T16:32:04Z")
I’ve written a function which outputs two variables and takes in 4. It follows the form of my example below. I’m using it as a function block in scilab. \[y1, y2\] = myFunc(h,c,V,I) delta = h - c omega = V \* I y1 = del… --- ## [The plotting window remains always blank](https://scilab.discourse.group/t/the-plotting-window-remains-always-blank/579)
**Author:** [@pierre.terum](https://scilab.discourse.group/u/pierre.terum)\ **Replies:** 4\ **Last updated:** [July 5, 2024, 3:55pm UTC](https://scilab.discourse.group/t/the-plotting-window-remains-always-blank/579 "2024-07-05T15:55:25Z")
Hello I begin with SciLab 6.1 because I am no longer able to use Matlab, being retired. I am working with OS Ubuntu 22.04 : -\>\[version, options\] = getversion() version = “scilab-branch-6.1” options = “GCC” “x6… --- ## [Using two y axes with subplots](https://scilab.discourse.group/t/using-two-y-axes-with-subplots/468)
**Author:** [@yann](https://scilab.discourse.group/u/yann)\ **Replies:** 4\ **Last updated:** [April 22, 2024, 2:05pm UTC](https://scilab.discourse.group/t/using-two-y-axes-with-subplots/468 "2024-04-22T14:05:16Z")
Hello, (using 6.1.1 on Windows 10) I would appreciate help with the following issue: I have a figure containing subplots. Now I would like to add a second y axis to one of the plots, while the other keeps just one. I m… --- ## [What is c\_c\_s function is?](https://scilab.discourse.group/t/what-is-c-c-s-function-is/371)
**Author:** [@Vimsrocz](https://scilab.discourse.group/u/Vimsrocz)\ **Replies:** 11\ **Last updated:** [April 4, 2024, 10:15pm UTC](https://scilab.discourse.group/t/what-is-c-c-s-function-is/371 "2024-04-04T22:15:03Z")
!Undefined operation for the given operands. ! ! ! !check or define function %c\_c\_s for overloading. ! I am getting this error but I didnot mention function as me… --- ## [Need help with a college assinment](https://scilab.discourse.group/t/need-help-with-a-college-assinment/455)
**Author:** [@lachezar](https://scilab.discourse.group/u/lachezar)\ **Replies:** 0\ **Last updated:** [April 3, 2024, 1:20pm UTC](https://scilab.discourse.group/t/need-help-with-a-college-assinment/455 "2024-04-03T13:20:00Z")
Hello guys,i need help to construct a system that makes a rectangular pulse 3 times upwards,and 3 times downwards,on Xcos.If anyone can help i will be greatly appreciated --- ## [How to use a colormap to paint a matrix in matplot with \[0, 1\] ranges?](https://scilab.discourse.group/t/how-to-use-a-colormap-to-paint-a-matrix-in-matplot-with-0-1-ranges/392)
**Author:** [@jcbritobr](https://scilab.discourse.group/u/jcbritobr)\ **Replies:** 2\ **Last updated:** [February 12, 2024, 9:43pm UTC](https://scilab.discourse.group/t/how-to-use-a-colormap-to-paint-a-matrix-in-matplot-with-0-1-ranges/392 "2024-02-12T21:43:32Z")
Hello, good evening. I would like to know how I cant paint a random matrix in matplot with values ranging from 0.1. Matplot always will paint it with black because the lower values (0.3, 0.45…) --- ## [Why " end " is showing an error in scilab?](https://scilab.discourse.group/t/why-end-is-showing-an-error-in-scilab/295)
**Author:** [@Vimsrocz](https://scilab.discourse.group/u/Vimsrocz)\ **Replies:** 2\ **Last updated:** [December 20, 2023, 9:14am UTC](https://scilab.discourse.group/t/why-end-is-showing-an-error-in-scilab/295 "2023-12-20T09:14:30Z")
SCGNC\_Kalman\_Filter\_Utils.sce (569 Bytes) The error is below → exec(‘/Users/vimalchawda/Desktop/spacecraft-gnc-tbx/macros/SCGNC\_Kalman\_Filter\_Utils.sce’, -1) at line 26 of executed file /Users/vimalchawda/Desktop/… --- ## [Scilab works on my system - linux mint 21.2, but it gives a GLException, can I fix this?](https://scilab.discourse.group/t/scilab-works-on-my-system-linux-mint-21-2-but-it-gives-a-glexception-can-i-fix-this/301)
**Author:** [@decuser](https://scilab.discourse.group/u/decuser)\ **Replies:** 4\ **Last updated:** [December 19, 2023, 5:08pm UTC](https://scilab.discourse.group/t/scilab-works-on-my-system-linux-mint-21-2-but-it-gives-a-glexception-can-i-fix-this/301 "2023-12-19T17:08:13Z")
Hi, Just installed Scilab 2024.0.0 on Linux Mint 21.2 w/Cinnamon. It appears to work, but when started from the command line, it throws (and catches) the GLException: Caught handled GLException: EGLGLXDrawableFactory -… --- ## [Windows docking problem](https://scilab.discourse.group/t/windows-docking-problem/242)
**Author:** [@yannick85](https://scilab.discourse.group/u/yannick85)\ **Replies:** 5\ **Last updated:** [November 21, 2023, 10:02am UTC](https://scilab.discourse.group/t/windows-docking-problem/242 "2023-11-21T10:02:33Z")
Hello everyone, I have a problem docking windows in the software. When I separate a window from the starting dock, I cannot re-dock it afterwards. I notice that there is a small arrow to remove the dock but unfortunatel… --- ## [Error Handling reading File](https://scilab.discourse.group/t/error-handling-reading-file/146)
**Author:** [@Smart](https://scilab.discourse.group/u/Smart)\ **Replies:** 7\ **Last updated:** [September 6, 2023, 9:41am UTC](https://scilab.discourse.group/t/error-handling-reading-file/146 "2023-09-06T09:41:36Z")
Hello, I hope you can assist me. I’ve been collecting a substantial amount of data, resulting in a data.txt file containing around 35,000 lines. For example: 09:38:25.184 \ **Author:** [@gcompari](https://scilab.discourse.group/u/gcompari)\ **Replies:** 1\ **Last updated:** [September 4, 2023, 6:56am UTC](https://scilab.discourse.group/t/scripting-limits-of-scilab-2023-1-0/150 "2023-09-04T06:56:05Z") I can’t find the limits of Scilab scripting: I found only the sentence: “The number of characters used to define the body of any loop or conditional instruction (if while for or select/case) must be limited to 16 kB.” T… --- ## [Can someone Help me with basic program](https://scilab.discourse.group/t/can-someone-help-me-with-basic-program/103)
**Author:** [@ckt86](https://scilab.discourse.group/u/ckt86)\ **Replies:** 14\ **Last updated:** [July 17, 2023, 7:56am UTC](https://scilab.discourse.group/t/can-someone-help-me-with-basic-program/103 "2023-07-17T07:56:02Z")
Dear All, I am really new to scilab and i am looking forward to basic code for one of the research papers here to do some research work. The formulas are as under and I need a code to understand how to input and how to …