dfg

227-3.py

@@ -19,6 +19,10 @@ def SovleRowMain(A,b):
         b[i], b[row_max_index] = b[row_max_index], b[i]
         p[i], p[row_max_index] = p[row_max_index], p[i]
 
+        print(f"第{i+1}次交换，交换行{i+1}和行{row_max_index+1}，A矩阵为：")
+        for row in A:
+            print(row)
+        print(f"b向量为：{b}\n")
         if abs(A[i][i]) < ks:
             raise ValueError("A矩阵奇异，无法进行高斯消元")
         for j in range(i + 1, n):
@@ -27,7 +31,11 @@ def SovleRowMain(A,b):
             for k in range(i + 1, n):
                 A[j][k] -= m * A[i][k]
             b[j] -= m * b[i]
-
+            print(f"系数为{-1*m}用加号")
+        print("消元后的A矩阵：")
+        for row in A:
+            print(row)
+        print(f"消元后的b向量：{b}\n")
     if abs(A[n - 1][n - 1]) < ks:
         raise ValueError("A矩阵奇异，无法进行高斯消元")