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6.1.1 - English

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Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
However, this page did not exist in the previous stable version.

Scilab Help >> Scilab

Scilab

• Scilab keywords
  • backslash — (\) left matrix division: Exact or least square solution
  • brackets [,;] — Concatenation. Recipients of an assignment. Results of a function
  • colon (:) — Ranging operator. Addresses all elements along an array dimension or of a list.
  • comma — (,) comma; instruction, argument separator
  • comments — (// or /*...*/) comments
  • comparison — comparison, relational operators
  • dollar — ($) last index
  • dot — (.) symbol
  • equal — (=) assignment , comparison, equal sign
  • getscilabkeywords — returns a list with all scilab keywords.
  • hat — (^) exponentiation
  • greater — (>) greater than comparison
  • minus — (-) subtraction operator. Sign change
  • not — (~) logical not
  • parentheses — ( ) left and right parenthesis
  • percent — (%) special character
  • plus (+) — Numerical addition. Text concatenation (gluing)
  • quote — (') transpose operator, string delimiter
  • semicolon — (;) ending expression and row separator
  • slash — (/) right divisions. System's feed back. Comments
  • star — (*) multiplication operator
  • symbols — scilab operator names
  • tilde — (~) logical not
• Control flow
  • abort — interrupt evaluation.
  • break — keyword to interrupt loops
  • case — keyword used in statement "select"
  • continue — keyword to pass control to the next iteration of a loop
  • do — language keyword for loops
  • else — keyword in if-then-else and select-case-then-else
  • elseif — keyword in if-then-else
  • end — end keyword
  • for — keyword entering a non-conditional loop
  • halt — stop execution
  • if — keyword for conditional execution
  • pause — temporarily pauses the running execution, and allows instructions in console.
  • resume — return or resume execution and copy some local variables
  • return — return or resume execution and copy some local variables
  • select — select keyword
  • then — keyword in control flows 'if' and 'select'
  • catch — beginning of catch block in try-catch control instruction
  • while — Opens a block of instructions iterated on a heading condition
• Configuration
  • banner — shows Scilab banner
  • getdebuginfo — get information about Scilab to debug
  • getmemory — returns free and total system memory
  • getmodules — lists modules installed in Scilab
  • getos — return Operating System name and version
  • getscilabmode — returns scilab mode
  • getshell — returns current command interpreter
  • getversion — get scilab and modules version information
  • oldEmptyBehaviour — Controls the operation+ and operation- behaviour for Scilab
  • recursionlimit — get or set the current or maximal allowed depth of nested calls
  • sciargs — scilab command line arguments
  • ver — Version information for Scilab
  • with_javasci — Checks if Scilab has been built with the Java interface
  • with_macros_source — Checks if macros sources are installed
  • with_module — Checks if a Scilab module is installed
• Debugging
  • debug — enters the Scilab debugger mode
  • where — get current instruction calling tree
  • whereami — display current instruction calling tree
• Error handling
  • errclear — clears the last error (if its number matches a given one)
  • error — reports a run time error
  • error_table — list of main standard errors messages
  • lasterror — get last recorded error message
  • warning — warning messages
• types
  • boolean — Scilab Objects, boolean variables and operators & | ~
  • functions — Scilab procedures and Scilab objects
  • hypermatrices — a Scilab object, N dimensional matrix in Scilab
  • library — library datatype
  • matrices — Scilab objects, matrices in Scilab
  • rational — rational fractions
  • strings — Scilab Object, character strings
  • type — returns the type of a Scilab object
  • typename — associates a name to variable type
  • typeof — explicit type or overloading code of an object
• Variables
  • Constants
    • SCI, WSCI — variable containing the value of the root path of Scilab.
    • SCIHOME — contains the path to preferences, history files of your Scilab session.
    • TMPDIR — temporary directory path.
    • home — Gives the user directory.
    • %chars — Selected sets of Unicode characters
    • %e — Euler number.
    • %eps — epsilon (floating-point relative accuracy)
    • %f or %F — Boolean variable for false.
    • %i — imaginary unit
    • %inf — infinity
    • %nan — not-a-number
    • %pi — ratio of circle's circumference to its diameter
    • %s — A variable used to define polynomials.
    • %t or %T — Boolean variable for true.
    • %z — A variable used to define polynomials.
  • checkNamedArguments — Return list of unexpected named arguments
  • clear — kills variables
  • clearglobal — kills global variables
  • exists — checks variable existence
  • global — Define global variable
  • isdef — checks variable existence
  • isglobal — checks if a local variable has a global counterpart
  • names — Naming rules for variables and functions
  • predef — variable protection
  • who — listing of variables
  • who_user — listing of user's variables
  • whos — listing of variables in long form
• exit — Ends the current Scilab session
• quit — Terminates Scilab or decreases the pause level
• scilab — runs Scilab in interactive or batch mode with command line options
• startup — startup files

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