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Author: MuhammadAzizulHakim

FAQ02 - Matplotlib/demoPrompt11.a_ChatGPT+Matplotlib.py

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+import sys
+import matplotlib
+matplotlib.use('Qt5Agg')  # Set the backend to Qt5Agg
+from PyQt5 import QtCore, QtWidgets
+from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
+from matplotlib.figure import Figure
+
+class MplCanvas(FigureCanvasQTAgg):
+    def __init__(self, parent=None, width=5, height=4, dpi=100):
+        fig = Figure(figsize=(width, height), dpi=dpi)
+        self.axes = fig.add_subplot(111)
+        super().__init__(fig)
+
+class MainWindow(QtWidgets.QMainWindow):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # Create the Matplotlib FigureCanvas object
+        sc = MplCanvas(self, width=5, height=4, dpi=100)
+        sc.axes.plot([0, 1, 2, 3, 4], [10, 1, 20, 3, 40])  # Example data
+        self.setCentralWidget(sc)
+        self.show()
+
+app = QtWidgets.QApplication(sys.argv)
+w = MainWindow()
+app.exec_()

FAQ02 - Matplotlib/demoPrompt11.b_ChatGPT+Matplotlib.py

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+import sys
+from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget, QPushButton
+from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
+from matplotlib.figure import Figure
+import numpy as np
+
+class MainWindow(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Matplotlib with PyQt")
+        self.setGeometry(100, 100, 800, 600)
+
+        # Create a central widget
+        central_widget = QWidget()
+        self.setCentralWidget(central_widget)
+
+        # Create a layout for the central widget
+        layout = QVBoxLayout()
+        central_widget.setLayout(layout)
+
+        # Create a Matplotlib figure
+        self.figure = Figure(figsize=(5, 4), dpi=100)
+        self.canvas = FigureCanvas(self.figure)
+        layout.addWidget(self.canvas)
+
+        # Create a button to update the plot
+        button = QPushButton("Update Plot")
+        button.clicked.connect(self.update_plot)
+        layout.addWidget(button)
+
+        # Initial plot
+        self.update_plot()
+
+    def update_plot(self):
+        # Clear the previous plot
+        self.figure.clear()
+
+        # Generate data
+        x = np.linspace(0, 10, 100)
+        y = np.sin(x)
+
+        # Plot data
+        ax = self.figure.add_subplot(111)
+        ax.plot(x, y)
+        ax.set_xlabel('X-axis')
+        ax.set_ylabel('Y-axis')
+        ax.set_title('Matplotlib Plot')
+
+        # Update canvas
+        self.canvas.draw()
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    window = MainWindow()
+    window.show()
+    sys.exit(app.exec_())