demoPrompt11.a_ChatGPT+Matplotlib.py

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_()