RTable.numElements - Maple Help

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RTable.numElements

return the number of elements stored in the RTable

 

Calling Sequence

Description

Examples

Calling Sequence

int numElements( ) throws MapleException

Description

• 

The numElements function returns the number of elements stored within the RTable.

Examples

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

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

    {

    String mapleArgs[];

    Engine engine;

    RTable a;

    int index[];

    Numeric one;

    int n, i;

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

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

        null, null );

    a = (RTable)engine.evaluate( "Array( 1..3, 1..3, (i,j)->(i*j)+1 ):" );

    n = a.numElements();

    System.out.println( "Number of elements: "+n );

    a = (RTable)engine.evaluate( "Array( 10..30, 13..15, 11..17, (i,j)->(i*j)+1 ):" );

    n = a.numElements();

    System.out.println( "Number of elements: "+n );

    }

}

Executing this code produces the following output.

Number of elements: 9

Number of elements: 441

See Also

ExternalCalling/Java/MapleException

OpenMaple

OpenMaple/Java/API

OpenMaple/Java/RTable

 


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