FloatRTable.assign - Maple Programming Help

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FloatRTable.assign

assign a float into an element of the FloatRTable

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

void assign( int index[], float val ) throws MapleException

Parameters

index

-

index of the entry to assign

val

-

value to assign into the list

Description

• 

The assign function assigns the Java float val into the element of the FloatRTable indexed by index.

• 

The index parameter is an array of integers, one for each dimension of the FloatRTable.  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.

• 

As RTables do not have unique representations, elements of an RTable can be assigned to any time.

Examples

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

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

    {

    String mapleArgs[];

    Engine engine;

    FloatRTable a1;

    int index[];

    float e;

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

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

        null, null );

    a1 = (FloatRTable)engine.evaluate( "Array( 1..2, 1..2, [[1.5,2.5],[3.5,4.5]], datatype=float[4]):" );

    index = new int[2];

    e = (float)11.5;

    index[0] = 1;

    index[1] = 1;

    a1.assign( index, e );

    e = (float)12.5;

    index[0] = 2;

    index[1] = 1;

    a1.assign( index, e );

    e = (float)13.5;

    index[0] = 1;

    index[1] = 2;

    a1.assign( index, e );

    e = (float)14.5;

    index[0] = 2;

    index[1] = 2;

    a1.assign( index, e );

    System.out.println( a1 );

    }

}

Executing this code produces the following output.

Array(1..2, 1..2, [[11.5000000,13.5000000],[12.5000000,14.5000000]], datatype = float[4], storage = rectangular, order = Fortran_order)

See Also

ExternalCalling/Java/MapleException

OpenMaple

OpenMaple/Java/API

OpenMaple/Java/FloatRTable

OpenMaple/Java/FloatRTable/select

OpenMaple/Java/RTable

OpenMaple/Java/RTable/lowerBound

OpenMaple/Java/RTable/upperBound

 


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