多个子图

draw/draw_util.py

@@ -38,8 +38,25 @@ def drawScatterAndLine(p, q, w, b):
     plt.show()
 
 
+def mul_image():
+    plt.figure(1)  # 创建图表1
+    plt.figure(2)  # 创建图表2
+    ax1 = plt.subplot(211)  # 在图表2中创建子图1
+    ax2 = plt.subplot(212)  # 在图表2中创建子图2
+    x = np.linspace(0, 3, 100)
+    for i in range(5):
+        plt.figure(1)
+        plt.plot(x, np.exp(i * x / 3))
+        plt.sca(ax1)
+        plt.plot(x, np.sin(i * x))
+        plt.sca(ax2)
+        plt.plot(x, np.cos(i * x))
+    plt.show()
+
+
 if __name__ == '__main__':
-    heights = [1.5, 1.7]
-    weights = [43, 61]
-    drawScatter(heights,weights)
-    drawLine(1,2)
+    # heights = [1.5, 1.7]
+    # weights = [43, 61]
+    # drawScatter(heights,weights)
+    # drawLine(1,2)
+    mul_image()