// create the matlab file for executing
            File uOutput = File.createTempFile("matlab-svds-U",".dat");
            File sOutput = File.createTempFile("matlab-svds-S",".dat");
            File vOutput = File.createTempFile("matlab-svds-V",".dat");
            LOG.fine("writing Matlab output to files:\n" +
                     "  " + uOutput + "\n" +
                     "  " + sOutput + "\n" +
                     "  " + vOutput + "\n");


            String commandLine = "matlab -nojvm -nosplash";
            LOG.fine(commandLine);
            Process matlab = Runtime.getRuntime().exec(commandLine);

            // capture the input so we know then Matlab is finished
            BufferedReader br = new BufferedReader(
                new InputStreamReader(matlab.getInputStream()));

            // pipe Matlab the program to execute
            System.out.println(matrix.getAbsolutePath());
            System.out.println(br.readLine());
            PrintWriter pw = new PrintWriter(matlab.getOutputStream());
            pw.println(
                "Z = load('" + matrix.getAbsolutePath() + "','-ascii');\n" +
                "A = spconvert(Z);\n" +
                "% Remove the raw data file to save space\n" +
                "clear Z;\n" +
                "[U, S, V] = svds(A, " + dimensions + " );\n" +
                "save " + uOutput.getAbsolutePath() + " U -ASCII\n" +
                "save " + sOutput.getAbsolutePath() + " S -ASCII\n" +
                "save " + vOutput.getAbsolutePath() + " V -ASCII\n" +
                "fprintf('Matlab Finished\n');");

            System.out.println("uOutput path = "+uOutput.getAbsolutePath());

            pw.close();