| Communications Toolbox | ![]() |
Galois Field Computations
+ -Addition and subtraction of Galois arrays
* / \Matrix multiplication and division of Galois arrays
.* ./ .\Elementwise multiplication and division of Galois arrays
^Matrix exponentiation of Galois array
.^Elementwise exponentiation of Galois array
' .'Transpose of Galois array
==, ~=Relational operators for Galois arrays
allTrue if all elements of a Galois vector are nonzero
anyTrue if any element of a Galois vector is nonzero
convConvolution of Galois vectors
convmtxConvolution matrix of Galois field vector
cosetsProduce cyclotomic cosets for a Galois field
deconvDeconvolution and polynomial division
detDeterminant of square Galois matrix
dftmtxDiscrete Fourier transform matrix in a Galois field
diagDiagonal Galois matrices and diagonals of a Galois matrix
fftDiscrete Fourier transform
filterOne-dimensional digital filter over a Galois field
gfCreate a Galois field array
gftableGenerate a file to accelerate Galois field computations
ifftInverse discrete Fourier transform
invInverse of Galois matrix
isemptyTrue for empty Galois arrays
isprimitiveTrue for a primitive polynomial for a Galois field
lengthLength of Galois vector
logLogarithm in a Galois field
luLower-Upper triangular factorization of Galois array
minpolFind the minimal polynomial of an element of a Galois field
mldivideMatrix left division \ of Galois arrays
polyvalEvaluate polynomial in Galois field
primpolyFind primitive polynomials for a Galois field
rankRank of a Galois array
reshapeReshape Galois array
rootsFind polynomial roots across a Galois field
sizeSize of Galois array
trilExtract lower triangular part of Galois array
triuExtract upper triangular part of Galois array
| Special Filters | Computations in Galois Fields of Odd Characteristic | ![]() |