MATLAB BUILDER JA 2 Guide de l'utilisateur télécharger pdf (Page 119)

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101

Using Class Methods

Example — Testing for an Empty MWArray

Display a message if array object A is an empty array. Otherwise, display

the contents of

if (A.isEmpty())

System.out.println("Matrix A is empty");

else

System.out.println("A = " + A.toString());

When run, the example displays the contents of A:

A=123456

7 8 9101112

13 14 15 16 17 18

numberOfDimensions. This method returns the number of dimensions of

the array object.

The prototype for the

numberOfDimensions method is as follows:

public int numberOfDimensions()

Input Parameters

None

Example — Getting the Number of Dimensions of an MWArray

Display the number o f dimensions for array object A:

System.out.println("Matrix A has " + A.numberOfDimensions() +

" dimensions");

When run, the example displays this output:

Matrix A has 2 dimensions

numberOfElem ents. This method returns the total number o f elements in

the array object.

4-43

1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 291 292

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MATLAB BUILDER JA 2 Guide de l'utilisateur Page 119

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