Scilab Online Help
5.4.1 - Français

• Aide Scilab
• Scilab
• Calcul différentiel, Intégration
• Fonctions Elémentaires
• Algèbre Lineaire
• Interpolation
• CACSD (Computer Aided Control Systems Design)
• Polynômes
• Traitement du Signal
• FFTW
• Fonctions spéciales
• Randlib
• ARnoldi PACKage (binding de ARPACK)
• Statistiques
• Matrices creuses
• Interface avec UMFPACK (sparse)
• Optimisation et Simulation
• Algorithmes génétiques
• Simulated Annealing
• Gestion des fichiers XML
• Entrées/Sorties [fichiers]
• Entrées/Sorties
• Graphiques
• Graphiques: export et impression
• Interface graphique
• Structures
• Parameters
• Booléens
• Entiers
• Chaînes de caractères
• Manipulation de fichiers sons
• Heure et date
• Sorties
• Xcos
• Tableur
• Console
• Gestion de l'historique
• Lecture/Ecriture de fichiers binaires Matlab
• Aide à la conversion Matlab vers Scilab
• Fonctions de compatibilité
• Fonctions avancées
• Outils de développement
• Outils pour les démonstrations
• Link dynamique/incremental
• ATOMS
• Interface avec Tcl/Tk
• Editeur de texte (Scinotes)
• UI Data
• Gestion de l'aide en ligne
• Parallel
• Gestionnaire de modules externe
• Localisation
• JVM
• API Scilab
• API call_scilab (moteur Scilab)
• Interface avec Java
• Intersci
• Préférences
• Outils Windows

Please note that the recommended version of Scilab is 2026.0.0. This page might be outdated.
However, this page did not exist in the previous stable version.

Aide Scilab >> API Scilab

API Scilab

• boolean
  • isBooleanType — Check if it is a boolean variable.
  • getScalarBoolean — Read scalar boolean data from a gateway argument.
  • createScalarBoolean — Create scalar boolean variable in Scilab memory.
  • boolean example — Boolean use case.
• Boolean Sparse
  • isBooleanSparseType — Check if it is a boolean sparse variable.
  • getAllocatedBooleanSparseMatrix — Get sparse matrix attributs.
  • freeAllocatedBooleanSparse — Free memory allocated by getAllocatedBooleanSparseMatrix function.
  • boolean sparse example — Boolean sparse use case.
• Scilab Gateway API
  • How to
    • Calling a scilab function (macros) from a C gateway — Calling a scilab function (macros) from a C interface
  • CheckLhs (deprecated) — C macro which checks the number of output arguments present in the calling Scilab function. This function is obsolete.
  • CheckRhs (deprecated) — C macro which checks the number of input arguments present in the calling Scilab function. This function is obsolete.
  • Lhs (deprecated) — A C gateway function which provides the number of output arguments present in the calling Scilab function This function is obsolete.
  • LhsVar (deprecated) — a C gateway function which specifies which parameters created inside the C gateway will be returned as an output argument into Scilab. This function is obsolete.
  • Rhs (deprecated) — A C gateway function which provides the number of input arguments present in the calling Scilab function This function is obsolete.
  • Scierror — C gateway function which displays an error message to the user (same profil as the printf function) and returns an integer value specifying an error level
  • sci_types — a C enumeration which defines the types available for a variable
  • sciprint — A C gateway function which displays standard messages to the user (same profil as the C printf function)
• double
  • isDoubleType — Check if it is a double variable.
  • getScalarDouble — Get scalar double variable.
  • getScalarComplexDouble — Get scalar complex double variable.
  • createScalarDouble — Create a scalar double in Scilab memory.
  • createScalarComplexDouble — Create a scalar complex double in Scilab memory.
  • double example — Double use case.
• integer
  • isIntegerType — Check if it is a double variable.
  • getScalarInteger8 — Get scalar integer variable.
  • createScalarInteger8 — Create scalar integer variable.
  • integer example — Integer use case.
• List manipulation
  • isListType, isTListType, isMListType — Check if it is a list, mlist, tlist variable.
  • Boolean reading (Scilab gateway) — How to read matrix of boolean in a list.
  • Boolean writing (Scilab gateway) — How to add matrix of boolean in a list.
  • Boolean sparse reading (Scilab gateway) — How to read boolean sparse in a list.
  • Boolean sparse writing (Scilab gateway) — How to add boolean sparse matrix in a list.
  • Create List (Scilab gateway) — How to get create a list in Scilab memory.
  • Double reading (Scilab gateway) — How to read matrix of double in a list.
  • Double writing (Scilab gateway) — How to add matrix of double in a list.
  • Get child item (Scilab gateway) — How to get the address of a list child.
  • Item Number (Scilab gateway) — How to get the number of items in a list (list, mlist, tlist).
  • Integer reading (Scilab gateway) — How to read matrix of integer in a list.
  • Integer writing (Scilab gateway) — How to add matrix of integer in a list.
  • Pointer reading (Scilab gateway) — How to read pointer in a list.
  • Pointer writing (Scilab gateway) — How to add pointer in a list.
  • Polynomial reading (Scilab gateway) — How to read matrix of polynomial in a list.
  • Polynomial writing (Scilab gateway) — How to add matrix of polynomial in a list.
  • Sparse reading (Scilab gateway) — How to read sparse in a list.
  • Sparse writing (Scilab gateway) — How to add sparse matrix in a list.
  • String reading (Scilab gateway) — How to read matrix of string in a list.
  • String writing (Scilab gateway) — How to add matrix of string in a list.
• Low level functions
  • AssignOutputVariable — a C gateway function which specifies which parameters created inside the C gateway will be returned as an output argument into Scilab.
  • CallOverloadFunction — a C gateway function uses to call overload function or macro
  • CheckInputArgument — C function which checks the number of input arguments present in the calling Scilab function.
  • CheckOutputArgument — C function which checks the number of output arguments present in the calling Scilab function.
  • ReturnArguments — A C gateway function which returns the various variables.
  • Boolean reading (Scilab gateway) — How to read matrix of boolean.
  • Boolean writing (Scilab gateway) — How to write matrices of boolean.
  • Boolean sparse reading (Scilab gateway) — How to read boolean sparse in a gateway.
  • Boolean sparse writing (Scilab gateway) — How to add boolean sparse matrix in a gateway.
  • Check variable dimensions (Scilab gateway) — A C gateway functions which check dimensions of a variable.
  • Variable Reference (Scilab gateway) — How to get the address of an argument or a variable in a gateway.
  • Variable dimension (Scilab gateway) — How to get the dimensions of an argument or a variable stored as matrix.
  • Variable Type (Scilab gateway) — How to get the type of an argument or a variable within a gateway.
  • Variable Complexity (Scilab gateway) — How to get the argument or variable complexity.
  • Matrix Type (Scilab gateway) — How to know if an argument or a variable is stored as a matrix.
  • deleteNamedVariable — a C gateway function uses to delete a variable from name
  • Double reading (Scilab gateway) — How to read matrices of double in a gateway.
  • Double writing (Scilab gateway) — How to write matrices of doubles in a gateway.
  • getNbInputArgument (Scilab gateway) — A C gateway function which provides the number of input arguments present in the calling Scilab function
  • getNbOutputArgument (Scilab gateway) — A C gateway function which provides the number of output arguments present in the calling Scilab function
  • Integer Precision (Scilab gateway) — How to get precision of an integer matrix.
  • Integer reading (Scilab gateway) — How to read matrices of integer in a gateway.
  • Integer writing (Scilab gateway) — How to write matrices of integers in a gateway.
  • Pointer reading (Scilab gateway) — How to read pointer in a gateway.
  • Pointer writing (Scilab gateway) — How to write pointer in a gateway.
  • Polynomial Symbolic Variable (Scilab gateway) — How to get the symbolic variable name.
  • Polynomial reading (Scilab gateway) — How to read matrices of polynomials in a gateway.
  • Polynomial writing (Scilab gateway) — How to write matrices of polynomials in a gateway.
  • Sparse matrix reading (Scilab gateway) — How to read sparse matrices in a gateway.
  • Sparse writing (Scilab gateway) — How to write sparse matrix in a gateway.
  • String reading (Scilab gateway) — How to read matrices of strings in a gateway.
  • String writing (Scilab gateway) — How to write matrices of string in a gateway.
• polynomial
  • isPolyType — Check if it is a polynomial variable.
  • getAllocatedSinglePoly — Get single polynomial variable.
  • getAllocatedSinglePoly — Get single complex polynomial variable.
  • getAllocatedMatrixOfPoly — Get matrix of polynomial variable.
  • getAllocatedMatrixOfComplexPoly — Get matrix of complex polynomial variable.
  • freeAllocatedSinglePoly — Free memory allocated by getAllocatedSinglePoly function.
  • freeAllocatedSingleComplexPoly — Free memory allocated by getAllocatedSingleComplexPoly function.
  • freeAllocatedSinglePoly — Free memory allocated by getAllocatedSinglePoly function.
  • freeAllocatedSinglePoly — Free memory allocated by getAllocatedSinglePoly function.
  • polynomial example — Polynom use case.
• sparse
  • isSparseType — Check if it is a sparse variable.
  • getAllocatedSparseMatrix — Get sparse matrix variable.
  • getAllocatedComplexSparseMatrix — Get complex sparse matrix variable.
  • freeAllocatedSparseMatrix — Free memory allocated by getAllocatedSparseMatrix function.
  • freeAllocatedComplexSparseMatrix — Free memory allocated by getAllocatedComplexSparseMatrix function.
  • sparse example — Sparse use case.
• string
  • isStringType — Check if it is a string variable.
  • getAllocatedSingleString — Get single string variable.
  • getAllocatedMatrixOfString — Get matrix of string variable.
  • createSingleString — create a single string variable.
  • freeAllocatedSingleString — Free memory allocated by getAllocatedSinglePoly function.
  • freeAllocatedMatrixOfString — Free memory allocated by freeAllocatedMatrixOfString function.
  • string example — String use case.
• api_scilab — api_scilab is the Scilab interface to read/write data from/to Scilab memory
• Getting started with API_Scilab — How to load a C, C++ or fortran code in the Scilab engine as a new function

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