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Scilab help >> Data Structures > hypermatrices

hypermatrices

Scilab object, N dimensional matrices in Scilab

Description

Hypermatrix type allows to manipulate multidimensional arrays

They can be defined by extension of 2D matrices as follows a=[1 2;3 4];a(:,:,2)=rand(2,2)

or directly using hypermat function

Entries can be real or complex numbers, polynomials, rationals, strings, booleans.

Hypermatrices are mlists: mlist(['hm','dims','entries'],sz,v) where sz is the row vector of dimensions and v the column vector of entries (first dimension are stored first)

NOTES: The number of dimension of hypermatrices with right-most sizes equal to 1 are automatically reduced. An hypermatrix with only two dimensions is automatically changed to a regular matrix (type 1).

Examples

a(1,1,1,1:2)=[1 2]
a=[1 2;3 4];a(:,:,2)=rand(2,2)
a(1,1,:)

size(a)

a(:,:,1) //dimensionnality reduction
type(a(:,:,1))

[a a]

See Also

  • hypermat — initialize an N dimensional matrices
  • zeros — matrix made of zeros
  • ones — matrix made of ones
  • grand — Random number generator(s)
  • matrix — reshape a vector or a matrix to a different size matrix
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Last updated:
Thu May 12 11:44:27 CEST 2011