Name( Arguments ) |
Function |
Mod |
Ref |
linspace( , ,COUNT) |
vector with COUNT numbers ranging from to
|
|
O |
|
length( ) |
number of elements in |
M,O |
|
zeros(ROWS[,COLUMNS]) |
matrix of zeros |
M,O |
|
ones(ROWS[,COLUMNS]) |
matrix of ones |
M,O |
|
eye(ROWS[,COLUMNS]) |
matrix with diagonal one |
M,O |
|
rand(ROWS[,COLUMNS]) |
matrix of random numbers |
M,O |
|
hilb(RANK) |
Hilbertmatrix |
M,O |
|
invhilb(RANK) |
Inverse Hilbertmatrix |
O |
|
size( ) |
number of rows and columns |
M,O |
|
sum( ) |
if is a vector: sum of elements,
if is a matrix: sum of columns.
|
|
M,O |
|
find( ) |
indices of nonvanishing elements |
M,O |
|
max( ) |
largest element in  |
M,O |
|
min( ) |
smallest element in  |
M,O |
|
diag( ,[OFFSET]) |
if is a vector: matrix with as diagonale,
if is matrix: diagonale as vector.
|
|
M,O |
|
det( ) |
determinante |
M,O |
|
eig( ) |
eigenvalues |
M,O |
|
inv( ) |
inverse |
M,O |
|
pinv( ) |
pseudoinverse |
M,O |
|
lu( ) |
LU-decomposition |
M,O |
|
svd( ) |
singular value decomposition (Lapack) |
M,O |
|
qr( ) |
QR-decomposition (Lapack) |
M,O |
|
eigen( ) |
eigenvalues (Lapack) |
M,O |
|