Programming and Data Types

Multidimensional Arrays

Multidimensional arrays in MATLAB are an extension of the normal two-dimensional matrix. Matrices have two dimensions: the row dimension and the column dimension.

You can access a two-dimensional matrix element with two subscripts: the first representing the row index, and the second representing the column index.

Multidimensional arrays use additional subscripts for indexing. A three-dimensional array, for example, uses three subscripts:

• The first references array dimension 1, the row.
• The second references dimension 2, the column.
• The third references dimension 3. This guide uses the concept of a page to represent dimensions 3 and higher.
  
  

To access the element in the second row, third column of page 2, for example, you use the subscripts (2,3,2).

As you add dimensions to an array, you also add subscripts. A four-dimensional array, for example, has four subscripts. The first two reference a row-column pair; the second two access the third and fourth dimensions of data.

Note    The general multidimensional array functions reside in the datatypes directory.

Function Summary

Creating Multidimensional Arrays