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Scilab manual >> Elementary Functions

Elementary Functions

  • Discrete mathematics
    • factorfactor function
    • permsall permutations of vector components
    • primesprimes function
    • ratFloating point rational approximation
  • Floating point
    • ceilrounding up
    • doubleconversion from integer to double precision representation
    • fixrounding towards zero
    • floorrounding down
    • frexpdissect floating-point numbers into base 2 exponent and mantissa
    • intinteger part
    • isinfcheck for infinite entries
    • isnancheck for "Not a Number" entries
    • nearfloatget previous or next floating-point number
    • number_propertiesdetermine floating-point parameters
    • roundrounding
  • Integer representation
    • base2decconversion from base b representation to integers
    • bin2decinteger corresponding to a binary form
    • dec2binbinary representation
    • dec2hexhexadecimal representation of integers
    • dec2octoctal representation of integers
    • hex2decconversion from hexadecimal representation to integers
    • oct2decconversion from octal representation to integers
  • Trigonometry
    • acoselement wise cosine inverse
    • acosdelement wise cosine inverse, result in degree.
    • acoshhyperbolic cosine inverse
    • acoshmmatrix hyperbolic inverse cosine
    • acosmmatrix wise cosine inverse
    • acotcomputes the element-wise inverse cotangeant of the argument.
    • acotdcomputes the element-wise inverse cotangeant of the argument result in degree.
    • acothelement wise hyperbolic cotangeant inverse.
    • acsccomputes the element-wise inverse cosecant of the argument.
    • acscdcomputes the element-wise inverse cosecant of the argument, results in degree.
    • acschcomputes the element-wise inverse hyperbolic cosecant of the argument.
    • aseccomputes the element-wise inverse secant of the argument.
    • asecdcomputes the element-wise inverse secant of the argument, results in degree.
    • asechcomputes the element-wise inverse hyperbolic secant of the argument.
    • asinsine inverse
    • asindsine inverse, results in degree
    • asinhhyperbolic sine inverse
    • asinhmmatrix hyperbolic inverse sine
    • asinmmatrix wise sine inverse
    • atan2-quadrant and 4-quadrant inverse tangent
    • atand2-quadrant and 4-quadrant element-wise inverse tangent, result in degree.
    • atanhhyperbolic tangent inverse
    • atanhmmatrix hyperbolic tangent inverse
    • atanmsquare matrix tangent inverse
    • conjconjugate
    • coscosine function
    • cosdelement-wise cosine function, argument in degree
    • coshhyperbolic cosine
    • coshmmatrix hyperbolic cosine
    • cosmmatrix cosine function
    • cotdcotangent
    • cotgcotangent
    • cothhyperbolic cotangent
    • cothmmatrix hyperbolic cotangent
    • cscComputes the element-wise cosecant of the argument.
    • cscdComputes the element-wise cosecant of the argument given in degree.
    • cschComputes the element-wise hyperbolic cosecant of the argument.
    • csgnReturns the sign of a vector of real of complex values.
    • secCompute the element-wise secant of the argument.
    • secdCompute the element-wise secant of the argument given in degree.
    • sechCompute the element-wise hyperbolic secant of the argument.
    • sinsine function
    • sincsinc function
    • sindsine function, argument in degree.
    • sinhhyperbolic sine
    • sinhmmatrix hyperbolic sine
    • sinmmatrix sine function
    • tantangent
    • tandtangent, argument in degree.
    • tanhhyperbolic tangent
    • tanhmmatrix hyperbolic tangent
    • tanmmatrix tangent
  • absabsolute value, magnitude
  • amellJacobi's am function
  • andlogical and of the elements of an array
  • and_oplogical and operator
  • binomialbinomial distribution probabilities
  • bitandAND applied to binary representation of input arguments
  • bitorOR applied to binary representation of input arguments
  • bloc2expblock-diagram to symbolic expression
  • bloc2ssblock-diagram to state-space conversion
  • catconcatenate several arrays
  • cell2matconvert a cell array into a matrix
  • cellstrconvert strings vector (or strings matrix) into a cell of strings
  • charchar function
  • cumprodcumulative product of array elements
  • cumsumcumulative sum of array elements
  • delipcomplete and incomplete elliptic integral of first kind
  • diagdiagonal including or extracting
  • diffDifference and discrete derivative
  • dsearchbinary search (aka dichotomous search in french)
  • expelement-wise exponential
  • eyeidentity matrix
  • flipdimflip x components along a given dimension
  • gsortsorting by quick sort agorithm
  • imagimaginary part
  • imultmultiplication by i the imaginary unitary
  • ind2sublinear index to matrix subscript values
  • intersectreturns the vector of common values of two vectors
  • inttrapintegration of experimental data by trapezoidal interpolation
  • isdefchecks variable existence
  • isemptycheck if a variable is an empty matrix or an empty list
  • isequalobjects comparison
  • isequalbitwisebitwise comparison of variables
  • isrealcheck if a variable as real or complex entries
  • isvectorcheck if a variable is a vector
  • kronKronecker product (.*.)
  • lex_sortlexicographic matrix rows sorting
  • linspacelinearly spaced vector
  • lognatural logarithm
  • log10logarithm
  • log1pcomputes with accuracy the natural logarithm of its argument added by one
  • log2base 2 logarithm
  • logmsquare matrix logarithm
  • logspacelogarithmically spaced vector
  • lstsizelist, tlist, mlist numbers of entries
  • maxmaximum
  • meshgridcreate matrices or 3-D arrays
  • minminimum
  • modulopositive arithmetic remainder modulo m
  • ndgridarrays for multidimensional function evaluation on grid
  • ndimsnumber of dimensions of an array
  • nextpow2next higher power of 2.
  • normmatrix norms
  • onesmatrix made of ones
  • orlogical or of the elements of an array
  • or_oplogical or operator
  • pen2eapencil to E,A conversion
  • permutepermute the dimensions of an array
  • pertranspertranspose
  • prodproduct of array elements
  • randrandom number generator
  • realreal part
  • resize_matrixcreate a new matrix with a different size
  • setdiffreturns components of a vector which do not belong to another one
  • signsign function
  • signmmatrix sign function
  • sizesize of objects
  • solvesymbolic linear system solver
  • sqrtsquare root
  • sqrtmmatrix square root
  • squarewavegenerates a square wave with period 2*%pi
  • ssrandrandom system generator
  • sub2indmatrix subscript values to linear index
  • sumsum of array elements
  • sysconvsystem conversion
  • sysdiagblock diagonal system connection
  • syslinlinear system definition
  • toeplitztoeplitz matrix
  • trfmodpoles and zeros display
  • trianfmlsymbolic triangularization
  • trillower triangular part of matrix
  • trisolvesymbolic linear system solver
  • triuupper triangle
  • typeofobject type
  • unionextract union components of a vector
  • uniqueextract unique components of a vector or matrices
  • vectorfindfinds in a matrix rows or columns matching a vector
  • zerosmatrix made of zeros
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Last updated:
Wed Jan 26 16:23:41 CET 2011