Le forum de XCAS

Hello I have problems defining a function in xcas
Syntax compatibility mode: xcas
Parse error line 1 column 20 at :=

Hello why the 3,4,5 lines don't print the value of 987? print( eval(varint,1 )); // 987 #cas function scope( varint ) print( varint ); // x unquote( varint ):=987; print( varint ); // print( eval(varint,1 )); // 987 print( eval(varint,2 )); return (varint); end; purge(x);scope(x); x [enter] 987, 987

Hello type(obj) almost always returns a data type as identifier, except in type(3%5) // returns > 15 type(%%%{3,[2,1]%%%}) // returns > 5 type(obj)+0 returns the numeric value of the data type subtype(obj) almost returns the numeric value of the subtype for list data, except in subtype(3.14159265358...

ok, "unapply" works fine

Hello list2mat and mat2list are very important commands, since there are commands that operate differently when they are lists or matrices, in some it applies linear and matrix algorithm rules in other operations with a list of elements. list2mat([9,8])> [[9,8]] "reverse" command, converts a flat li...

Hello I want to define a function where the expression is stored in a variable, but it does not call the content of the variable expr1 := 'x^3 - 2*x^2 + 1*x -1'; [enter] x^3-2*x^2+1*x-1 function f(x)=expr1; end; [enter] (x)->nop(expr1) excepted (x)->x^3-2*x^2+1*x-1 function f(x) expr1; end; f := fun...

Hello, What operating system does it work on?

Hello
The following script restarts the application in the latest version of xcas on win10 2021

https://www.eonicasys.com.co/math/syste ... ript00.xws
Edit Execute worksheet Line 16

sorry, where do I find the mingw version of Xcas?

Hello

In the input and/or output lines of expressions, highlight the commas of another color, this facilitates the reading of the expressions, many times they are confused with the point symbol.

Hi

the French document is out of date?

He says

Pour obtenir un point il suffit de cliquer avec la souris (bouton gauche) pour qu’un point s’affiche avec un nom.

but for it to be done first you have to switch to Point mode, and to move it you have to switch to pointer mode

Hello, I have started to adapt and translate the Xcas geometry application manual into Spanish Document in writing, come back soon Updates available in: http://eonicasys.com.co/math/system/xcas/geometry/docs/xcas_geometry_spn_manual.pdf Frn: https://www-fourier.ujf-grenoble.fr/~parisse/giac/doc/fr/c...

Hi, versión Xcas 1.6.0-39 (win64 bits installation version) csolve(x^1=-1,'=') [enter] set[x=-1] csolve(x^2=-1,'=') [enter] the app crashes and closes =( The problem is with the GUI (xCAS on win64bits), not with the GIAC core, as in the online version it is fine. An idea :idea: , look for third part...

Hello, an idea to clone in the desktop version (PC) If the flag is in exact mode add a previous line with the approximate value If the flag is approximate, add a new previous line to the output with the exact value similar as the output shows the numworks IN: (-(-1)-sqrt(5))/(2*1) [enter] OUT: -0.61...

I notice that in the latest Xcas version, the row numbering column is included in the Python editor program
https://www-fourier.ujf-grenoble.fr/~pa ... ll_en#wcas
Thank you