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Calling Sequence
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RTable copy( ) throws MapleException
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Description
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The copy function creates and returns a new RTable that contains the same data as the current RTable.
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As RTables do not have unique representations, the returned copy is a different Maple object from the original. Changes to the copy do not affect the original.
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Examples
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import com.maplesoft.openmaple.*;
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import com.maplesoft.externalcall.MapleException;
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class Example
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{
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public static void main( String notused[] ) throws MapleException
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{
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String[] mapleArgs = { "java" };
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Engine engine = new Engine( mapleArgs, new EngineCallBacksDefault(), null, null );
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RTable a, b;
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int index[];
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Numeric one;
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a = (RTable)engine.evaluate( "Array( 1..3, 1..3, (i,j)->(i*j)+1 ):" );
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b = a.copy();
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index = new int[3];
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one = engine.newNumeric( 1 );
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index[0] = 1;
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index[1] = 1;
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((AlgebraicRTable)b).assign( index, one );
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index[0] = 2;
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index[1] = 2;
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((AlgebraicRTable)b).assign( index, one );
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index[0] = 3;
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index[1] = 3;
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((AlgebraicRTable)b).assign( index, one );
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System.out.println( a );
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System.out.println( b );
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}
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}
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Executing this code produces the following output.
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Array(1..3, 1..3, [[2,3,4],[3,5,7],[4,7,10]], datatype = anything, storage = rectangular, order = Fortran_order)
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Array(1..3, 1..3, [[1,3,4],[3,1,7],[4,7,1]], datatype = anything, storage = rectangular, order = Fortran_order)
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