matrix - Maple Help
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matrix

matrix operations and manipulation

 

Description

Examples

Description

• 

Important: The matrix command has been deprecated.  Use the superseding command Matrix instead. For additional information on migrating linalg code to the new packages, see LinearAlgebraMigration.

  

Note:  The online documentation in Maple uses the convention that matrix (lowercase "m") refers to an array-based matrix used by routines in the linalg package, and Matrix (uppercase "M") refers to an rtable-based Matrix used by routines in the LinearAlgebra package. See LA_general for more information about linear algebra computations in Maple.

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A matrix in Maple is represented as a two dimensional array with row and column indices indexed from 1.

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Matrices can be input either directly, as a two dimensional array, or using the matrix command in the linear algebra package. For example, array(1..m,1..n)  creates an empty m by n matrix. See array and linalg[matrix] for further details.

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The i, j^th entry of the matrix A is accessed, and assigned to, using the subscript notation Ai,j. For example, Ai,j1Bi,j assigns the i, jth entry of the matrix A to be the inverse of the i, j^th entry of the matrix B.

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The linalg (linear algebra) package includes many matrix operations. See linalg for further information.

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The evalm function performs arithmetic on matrices. See evalm for further information.

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The map function can be used to apply a function to each entry of a matrix. For example, map(simplify, A) simplifies each entry of the matrix A and map(diff, A, x) differentiates each entry of the vector A with respect to x.  See map for further details.

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The following indexing functions are available for matrix input: antisymmetric, diagonal, identity, sparse, and symmetric. For example, array(1..10,1..10,identity) creates a 10 by 10 identity matrix.

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The linalg package has a number of special matrices.  For example, bezout, fibonacci, hilbert, jacobian, sylvester, toeplitz, vandermonde etc. See the linalg package for further details.

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See type/matrix for testing for a matrix. For example, type(A, 'matrix(integer)') tests for a matrix of integers.

Examples

Important: The matrix command has been deprecated.  Use the superseding command Matrix instead.

linalgmatrix2,3,x,y,z,a,b,c

xyzabc

(1)

array1..2,1..2,1,2,3,4

1234

(2)

type,matrix

true

(3)

array0..1,0..1,a,b,c,d

array0..1,0..1,0,0=a,0,1=b,1,0=c,1,1=d

(4)

type,matrix

false

(5)

Alinalgmatrix2,2,sinx,x2+x+3,expx,cosx2

Asinxx2+x+3ⅇxcosx2

(6)

mapdiff,A,x

cosx2x+1ⅇx2xsinx2

(7)

See Also

Array

array(deprecated)

evalm(deprecated)

linalg(deprecated)

linalg(deprecated)[matrix]

map

Matrix

print

type

type/matrix

Vector

vector(deprecated)

 


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