Examples of ptolemy.data.MatrixToken.crop()

ptolemy.data.MatrixToken.crop()
Return a new matrix that is a sub-matrix of this matrix. @param rowStart The row to start on. @param colStart The column to start on. @param rowSpan The number of rows to copy. @param colSpan The number of columns to copy. @return subclasses return a sub-matrix of this matrix. Thisbase class does not return, it always throwns an exception. @exception IllegalActionException If the operation is notsupported. Always thrown in this base class.

        int rowSpanValue = ((IntToken) rowSpan.getToken()).intValue();


        // FIXME: We are not enforcing that the input is a matrix.
        // How to do this?
        MatrixToken inputValue = (MatrixToken) input.get(0);
        output.send(0, inputValue.crop(rowValue, columnValue, rowSpanValue,
                columnSpanValue));
    }
}

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