select - Maple Help
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NumericRTable.select

access a Numeric stored in the NumericRTable

 Calling Sequence Numeric select( int index[] ) throws MapleException

Parameters

 index - index of the entry to select

Description

 • The select function returns the Java Numeric indexed by index in the NumericRTable
 • The index parameter is an array of integers, one for each dimension of the NumericRTable. Each integer must be within the bounds determined by lowerBound and upperBound.  The index for dimension $i$ is stored in the array at position $i-1$.

Examples

 import com.maplesoft.openmaple.*; import com.maplesoft.externalcall.MapleException; class Example { public static void main( String notused[] ) throws MapleException { String[] mapleArgs = { "java" }; Engine engine = new Engine( mapleArgs, new EngineCallBacksDefault(), null, null ); NumericRTable a1 = (NumericRTable)engine.evaluate( "Array( 1..2, 1..2, [[2^100,2^101],[2^102, 2^103]], datatype=sfloat ):" ); int[] index = new int[2]; index[0] = 1; index[1] = 1; System.out.println( a1.select( index ) ); index[0] = 2; index[1] = 1; System.out.println( a1.select( index ) ); index[0] = 1; index[1] = 2; System.out.println( a1.select( index ) ); index[0] = 2; index[1] = 2; System.out.println( a1.select( index ) ); } }

Executing this code produces the following output.

 1.26765e+30 5.0706e+30 2.5353e+30 1.01412e+31