access a ComplexNumeric stored in the ComplexNumericRTable - Maple Help

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ComplexNumericRTable.select - access a ComplexNumeric stored in the ComplexNumericRTable

Calling Sequence

ComplexNumeric select( int index[] ) throws MapleException

Parameters

index

-

index of the entry to select

Description

• 

The select function returns the ComplexNumeric indexed by index in the ComplexNumericRTable.

• 

The index parameter is an array of integers, one for each dimension of the ComplexNumericRTable.  Each integer must be within the bounds determined by lowerBound and upperBound.  The index for dimension i is stored in the array at position i1.

Examples

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

    public static void main( String notused[] ) throws MapleException

    {

    String mapleArgs[];

    Engine engine;

    ComplexNumericRTable cnRt;

    ComplexNumeric cn;

    int index[];

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

    engine = new Engine( mapleArgs, new EngineCallBacksDefault(),

        null, null );

    cnRt = (ComplexNumericRTable)engine.evaluate( "Array( 1..2, 1..2, [[1+I, 2+2*I],[3+3*I, 4+4*I]], datatype=complex(sfloat) ):" );

    index = new int[2];

    index[0] = 1;

    index[1] = 1;

    cn = cnRt.select( index );

    System.out.println( cn );

    index[0] = 1;

    index[1] = 2;

    cn = cnRt.select( index );

    System.out.println( cn );

    index[0] = 2;

    index[1] = 1;

    cn = cnRt.select( index );

    System.out.println( cn );

    index[0] = 2;

    index[1] = 2;

    cn = cnRt.select( index );

    System.out.println( cn );

    }

}

Executing this code produces the following output.

1.+1.*I

2.+2.*I

3.+3.*I

4.+4.*I

See Also

ExternalCalling/Java/MapleException, OpenMaple, OpenMaple/Java/API, OpenMaple/Java/ComplexNumericRTable, OpenMaple/Java/ComplexNumericRTable/assign, OpenMaple/Java/RTable, OpenMaple/Java/RTable/lowerBound, OpenMaple/Java/RTable/upperBound


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