MATLAB BUILDER JA 2 Guía de usuario descargar pdf (Pagina 135)

Using Class Methods

• “Methods to Create and Destroy an MWNumericArray” on page 4-63

• “Methods to Get and Set the Real Parts of an MWNumericArray” on page

4-75

• “Methods to Get and Set the Imaginary Parts of an MWNumericArray”

on page 4-79

• “Methods to Copy, Convert, and Compare M WNumericArrays” on page 4-87

• “Methods to Use on Sparse MWNumericArrays” on page 4-90

• “Methods to Return Special Constant Values” on page 4-90

Constructing an MWNumericArray

Use the tables in this section to construct an MWNumericArray fro m a

particular Java data type. See the examples at the end of this section for

more help.

• “Constructing an Empty Scalar” on page 4-59

• “Constructing a Real or Complex Numeric Scalar” on page 4-60

• “Constructing a Real or C omplex Numeric Array” on page 4-61

In addition to using the

MWNumericArray constructor, you can also use

“newSparse” on page 4-66 to constru ct a n

MWNumericArray.Thesetwo

methods provide better performance than the constructor.

Constructing an Empty Scalar. Use either of the following constructors to

create an emp ty scalar

MWNumericArray:

To construct an empty scalar of type

MWClassID.DOUBLE,usethefollowing:

MWNumericArray()

To construct an empty scalar of type classid,usethefollowing:

MWNumericArray(MWClassID classid)

4-59

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MATLAB BUILDER JA 2 Guía de usuario Pagina 135