/** The main loop for the background thread. It is here that most of the work os orchestrated. */ public void run() { double thisCost = 500.0; double oldCost = 0.0; double dcost = 500.0; int countSame = 0; map.update(map.getGraphics()); while (countSame < 100) { generation++; int ioffset = matingPopulationSize; int mutated = 0; // Mate the chromosomes in the favoured population // with all in the mating population for (int i = 0; i < favoredPopulationSize; i++) { Chromosome cmother = chromosomes[i]; // Select partner from the mating population int father = (int) (0.999999 * Math.random() * (double) matingPopulationSize); Chromosome cfather = chromosomes[father]; mutated += cmother.mate(cfather, chromosomes[ioffset], chromosomes[ioffset + 1]); ioffset += 2; } // The new generation is in the matingPopulation area // move them to the correct area for sort. for (int i = 0; i < matingPopulationSize; i++) { chromosomes[i] = chromosomes[i + matingPopulationSize]; chromosomes[i].calculateCost(cities); } // Now sort the new mating population Chromosome.sortChromosomes(chromosomes, matingPopulationSize); double cost = chromosomes[0].getCost(); dcost = Math.abs(cost - thisCost); thisCost = cost; double mutationRate = 100.0 * (double) mutated / (double) matingPopulationSize; NumberFormat nf = NumberFormat.getInstance(); nf.setMinimumFractionDigits(2); nf.setMinimumFractionDigits(2); status.setText( "Generation " + generation + " Cost " + (int) thisCost + " Mutated " + nf.format(mutationRate) + "%"); if ((int) thisCost == (int) oldCost) { countSame++; } else { countSame = 0; oldCost = thisCost; } map.update(map.getGraphics()); } status.setText("Solution found after " + generation + " generations."); }
private void init() { setDefaultCloseOperation(DISPOSE_ON_CLOSE); setTitle("Strategy Information - " + strategy.getName()); this.addWindowListener( new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { Dispatcher dispatcher = Dispatcher.getInstance(); dispatcher.removeListener(StrategyInformationDialog.this); } }); JPanel contentPanel = new JPanel(new BorderLayout()); getContentPane().add(contentPanel, BorderLayout.CENTER); JTabbedPane tabbedPane = new JTabbedPane(); contentPanel.add(tabbedPane, BorderLayout.CENTER); JPanel performancePanel = new JPanel(new SpringLayout()); tabbedPane.addTab("Performance", performancePanel); NumberFormat nf2 = NumberFormatterFactory.getNumberFormatter(2); PerformanceManager pm = strategy.getPerformanceManager(); add(performancePanel, "Position", strategy.getPositionManager().getCurrentPosition()); add(performancePanel, "Trades", pm.getTrades()); add(performancePanel, "% Profitable", nf2.format(pm.getPercentProfitableTrades())); add(performancePanel, "Average trade", nf2.format(pm.getAverageProfitPerTrade())); add(performancePanel, "Net Profit", nf2.format(pm.getNetProfit())); add(performancePanel, "Max Drawdown", nf2.format(pm.getMaxDrawdown())); add(performancePanel, "Profit Factor", nf2.format(pm.getProfitFactor())); add(performancePanel, "Kelly", nf2.format(pm.getKellyCriterion())); add(performancePanel, "PI", nf2.format(pm.getPerformanceIndex())); add(performancePanel, "CPI", nf2.format(pm.getCPI())); makeCompactGrid(performancePanel); JPanel securityPanel = new JPanel(new SpringLayout()); tabbedPane.addTab("Instrument", securityPanel); add(securityPanel, "Symbol", strategy.getContract().m_symbol); add(securityPanel, "Security Type", strategy.getContract().m_secType); add(securityPanel, "Exchange", strategy.getContract().m_exchange); add(securityPanel, "Multiplier", strategy.getContract().m_multiplier); add(securityPanel, "Commission", strategy.getPerformanceManager().getCommission().toString()); bidAskLabel = new JLabel(); securityPanel.add(new JLabel("Best bid-ask" + ":")); securityPanel.add(bidAskLabel); cumBidAskSizesLabel = new JLabel(); securityPanel.add(new JLabel("Book bid-ask size" + ":")); securityPanel.add(cumBidAskSizesLabel); makeCompactGrid(securityPanel); JPanel parametersPanel = new JPanel(new SpringLayout()); tabbedPane.addTab("Parameters", parametersPanel); StrategyParams params = strategy.getParams(); add(parametersPanel, "Schedule", strategy.getTradingSchedule().toString()); for (StrategyParam param : params.getAll()) { add(parametersPanel, param.getName(), param.getValue()); } makeCompactGrid(parametersPanel); IndicatorManager indicatorManager = strategy.getIndicatorManager(); if (indicatorManager != null) { JPanel indicatorsPanel = new JPanel(new SpringLayout()); tabbedPane.addTab("Indicators", indicatorsPanel); for (Indicator indicator : strategy.getIndicatorManager().getIndicators()) { add(indicatorsPanel, indicator.getKey(), indicator.getValue()); } makeCompactGrid(indicatorsPanel); } getContentPane().setPreferredSize(new Dimension(450, 400)); }
protected void out(double[] y) { String s, blanks, blanksp, blanksm; blanksp = " "; blanksm = " "; int ny = y.length; int nlines = ny / 5; int nrest = ny % 5; for (int i = 0; i < nlines; i++) { s = ""; for (int j = 0; j < 5; j++) { int k = i * 5 + j; if (y[k] >= 0.) blanks = blanksp; else blanks = blanksm; s = s + blanks + numForm.format(y[k]); } df.writeLine(s); } if (nrest > 0) { s = ""; for (int j = 0; j < nrest; j++) { int k = nlines * 5 + j; if (y[k] >= 0.) blanks = blanksp; else blanks = blanksm; s = s + blanks + numForm.format(y[k]); } df.writeLine(s); } }
protected void plotScatterDiagram() { // plot sample as one dimensional scatter plot and Gaussian double xmax = 5.; double xmin = -5.; DatanGraphics.openWorkstation(getClass().getName(), "E3Min_1.ps"); DatanGraphics.setFormat(0., 0.); DatanGraphics.setWindowInComputingCoordinates(xmin, xmax, 0., .5); DatanGraphics.setViewportInWorldCoordinates(-.15, .9, .16, .86); DatanGraphics.setWindowInWorldCoordinates(-.414, 1., 0., 1.); DatanGraphics.setBigClippingWindow(); DatanGraphics.chooseColor(2); DatanGraphics.drawFrame(); DatanGraphics.drawScaleX("y"); DatanGraphics.drawScaleY("f(y)"); DatanGraphics.drawBoundary(); double xpl[] = new double[2]; double ypl[] = new double[2]; // plot scatter diagram DatanGraphics.chooseColor(1); for (int i = 0; i < y.length; i++) { xpl[0] = y[i]; xpl[1] = y[i]; ypl[0] = 0.; ypl[0] = .1; DatanGraphics.drawPolyline(xpl, ypl); } // draw Gaussian corresponding to solution int npl = 100; xpl = new double[npl]; ypl = new double[npl]; double fact = 1. / (Math.sqrt(2. * Math.PI) * x.getElement(1)); double dpl = (xmax - xmin) / (double) (npl - 1); for (int i = 0; i < npl; i++) { xpl[i] = xmin + (double) i * dpl; ypl[i] = fact * Math.exp(-.5 * Math.pow((xpl[i] - x.getElement(0)) / x.getElement(1), 2.)); } DatanGraphics.chooseColor(5); DatanGraphics.drawPolyline(xpl, ypl); // draw caption String sn = "N = " + nny; numForm.setMaximumFractionDigits(3); numForm.setMinimumFractionDigits(3); String sx1 = ", x_1# = " + numForm.format(x.getElement(0)); String sx2 = ", x_2# = " + numForm.format(x.getElement(1)); String sdx1 = ", &D@x_1# = " + numForm.format(Math.sqrt(cx.getElement(0, 0))); String sdx2 = ", &D@x_2# = " + numForm.format(Math.sqrt(cx.getElement(1, 1))); caption = sn + sx1 + sx2 + sdx1 + sdx2; DatanGraphics.setBigClippingWindow(); DatanGraphics.chooseColor(2); DatanGraphics.drawCaption(1., caption); DatanGraphics.closeWorkstation(); }
public void updateStates() { NumberFormat nf = NumberFormat.getInstance(); nf.setMaximumFractionDigits(2); nf.setMinimumFractionDigits(2); try { // System.out.println("getting variables."); status = cryo.cryoGetStatusCORBA(); frame.lblStatus.setText(statusString[status] + " "); heater = cryo.cryoGetHeaterCORBA(); frame.lblHeater.setText(nf.format(heater) + " watts"); temp = cryo.cryoGetTempCORBA(); frame.lblTemp.setText(nf.format(temp) + " deg"); cli = cryo.cryoGetCliCORBA(); if (Double.isNaN(cli)) { frame.lblCli.setText(cli + " "); } else frame.lblCli.setText(nf.format(cli) + " "); } catch (org.omg.CORBA.COMM_FAILURE cf) { // stop thread and try to reconnect to the server frame.lblStatus.setText("FAILURE!! Server connected?"); stop = true; return; } }
public void init() { // 添加按钮 JPanel buttonPanel = new JPanel(); buttonPanel.add(okButton); mainPanel.setLayout(new GridLayout(0, 3)); mainWin.add(mainPanel, BorderLayout.CENTER); JFormattedTextField intField0 = new JFormattedTextField( new InternationalFormatter(NumberFormat.getIntegerInstance()) { protected DocumentFilter getDocumentFilter() { return new NumberFilter(); } }); intField0.setValue(100); addRow("只接受数字的文本框", intField0); JFormattedTextField intField1 = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField1.setValue(new Integer(100)); // 添加输入校验器 intField1.setInputVerifier(new FormattedTextFieldVerifier()); addRow("带输入校验器的文本框", intField1); // 创建自定义格式器对象 IPAddressFormatter ipFormatter = new IPAddressFormatter(); ipFormatter.setOverwriteMode(false); // 以自定义格式器对象创建格式化文本框 JFormattedTextField ipField = new JFormattedTextField(ipFormatter); ipField.setValue(new byte[] {(byte) 192, (byte) 168, 4, 1}); addRow("IP地址格式", ipField); mainWin.add(buttonPanel, BorderLayout.SOUTH); mainWin.pack(); mainWin.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); mainWin.setVisible(true); }
public E3Min() { numForm = NumberFormat.getNumberInstance(Locale.US); numForm.setMaximumFractionDigits(12); numForm.setMinimumFractionDigits(12); String s = "Example demonstrating the use of class MinAsy by fitting a Gaussian to small sample" + " and determining the asymmetric errors of parameters by MinAsy"; df = new DatanFrame(getClass().getName(), s); AuxJInputGroup ig = new AuxJInputGroup("Enter number N of events (>= 2, <= 10000)", ""); JLabel errorLabel = new JLabel(); ni[0] = new AuxJNumberInput("N", "number of events", errorLabel); ig.add(ni[0]); ni[0].setProperties("N", true); ni[0].setMinimum(2); ni[0].setMaximum(10000); ni[0].setNumberInTextField(10); df.add(ig); df.add(errorLabel); JButton goButton = new JButton("Go"); GoButtonListener gl = new GoButtonListener(); goButton.addActionListener(gl); df.add(goButton); df.repaint(); }
public FormatTestFrame() { JPanel buttonPanel = new JPanel(); okButton = new JButton("Ok"); buttonPanel.add(okButton); add(buttonPanel, BorderLayout.SOUTH); mainPanel = new JPanel(); mainPanel.setLayout(new GridLayout(0, 3)); add(mainPanel, BorderLayout.CENTER); JFormattedTextField intField = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField.setValue(new Integer(100)); addRow("Number:", intField); JFormattedTextField intField2 = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField2.setValue(new Integer(100)); intField2.setFocusLostBehavior(JFormattedTextField.COMMIT); addRow("Number (Commit behavior):", intField2); JFormattedTextField intField3 = new JFormattedTextField( new InternationalFormatter(NumberFormat.getIntegerInstance()) { protected DocumentFilter getDocumentFilter() { return filter; } }); intField3.setValue(new Integer(100)); addRow("Filtered Number", intField3); JFormattedTextField intField4 = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField4.setValue(new Integer(100)); intField4.setInputVerifier( new InputVerifier() { public boolean verify(JComponent component) { JFormattedTextField field = (JFormattedTextField) component; return field.isEditValid(); } }); addRow("Verified Number:", intField4); JFormattedTextField currencyField = new JFormattedTextField(NumberFormat.getCurrencyInstance()); currencyField.setValue(new Double(10)); addRow("Currency:", currencyField); JFormattedTextField dateField = new JFormattedTextField(DateFormat.getDateInstance()); dateField.setValue(new Date()); addRow("Date (default):", dateField); DateFormat format = DateFormat.getDateInstance(DateFormat.SHORT); format.setLenient(false); JFormattedTextField dateField2 = new JFormattedTextField(format); dateField2.setValue(new Date()); addRow("Date (short, not lenient):", dateField2); try { DefaultFormatter formatter = new DefaultFormatter(); formatter.setOverwriteMode(false); JFormattedTextField urlField = new JFormattedTextField(formatter); urlField.setValue(new URL("http://java.sun.com")); addRow("URL:", urlField); } catch (MalformedURLException ex) { ex.printStackTrace(); } try { MaskFormatter formatter = new MaskFormatter("###-##-####"); formatter.setPlaceholderCharacter('0'); JFormattedTextField ssnField = new JFormattedTextField(formatter); ssnField.setValue("078-05-1120"); addRow("SSN Mask:", ssnField); } catch (ParseException ex) { ex.printStackTrace(); } JFormattedTextField ipField = new JFormattedTextField(new IPAddressFormatter()); ipField.setValue(new byte[] {(byte) 130, 65, 86, 66}); addRow("IP Address:", ipField); pack(); }
public void actionPerformed(ActionEvent evt) { double interest = balance * rate / 100; balance += interest; NumberFormat formatter = NumberFormat.getCurrencyInstance(); System.out.println("balance=" + formatter.format(balance)); }
public MainCitiesCriteriaPanel() { super(new BorderLayout()); CountryController countryc = Application.getCountryController(); CitiesController citiesc = Application.getCitiesController(); countryName = Application.getCountryName(); label = new JLabel(); labelPanel = new JPanel(); labelPanel.add(label); label.setText("Criteria to select main cities for " + countryName.replaceAll("_", " ")); listModel = new DefaultListModel(); Iterator<HashMap<String, String>> iter = citiesc.getToponymTypesIterator(); while (iter.hasNext()) { String topTypeName = iter.next().get("code"); listModel.addElement(topTypeName); } list = new JList(listModel); list.addListSelectionListener(this); listPanel = new JScrollPane(list); NumberFormat nCitiesFormat = NumberFormat.getInstance(); nCitiesFormat.setMaximumFractionDigits(0); nCitiesFormat.setMaximumIntegerDigits(4); NumberFormat distFormat = NumberFormat.getInstance(); distFormat.setMaximumFractionDigits(0); distFormat.setMaximumIntegerDigits(3); nCitiesField = new JFormattedTextField(nCitiesFormat); distField = new JFormattedTextField(distFormat); nCitiesField.setMaximumSize(new Dimension(50, 1)); distField.setMaximumSize(new Dimension(50, 1)); rb1 = new JRadioButton("Filter by type", true); rb2 = new JRadioButton("Filter by number", false); rb3 = new JRadioButton("Filter by distance to the borders (km)", false); ButtonGroup bgroup = new ButtonGroup(); bgroup.add(rb1); bgroup.add(rb2); bgroup.add(rb3); JPanel radioPanel = new JPanel(); radioPanel.setLayout(new BoxLayout(radioPanel, BoxLayout.Y_AXIS)); radioPanel.add(rb1); radioPanel.add(listPanel); radioPanel.add(rb2); radioPanel.add(nCitiesField); radioPanel.add(rb3); radioPanel.add(distField); submit = new JButton(); back = new JButton(); submit.setText("OK"); back.setText("GO BACK"); submit.addActionListener(this); back.addActionListener(this); buttonPanel = new JPanel(); buttonPanel.add(back); buttonPanel.add(submit); add(labelPanel, BorderLayout.NORTH); add(radioPanel, BorderLayout.CENTER); add(buttonPanel, BorderLayout.SOUTH); }