111

89-3.py

@@ -1,7 +1,4 @@
 
-x = [19,25,31,38,44]
-y = [19.0,32.3,49.0,73.3,97.8]
-
 # 列主元高斯消元法
 def SovleRowMain(A,b):
     ks = 0.00000001
@@ -61,8 +58,15 @@ def LeastSquares(list_x,list_y,n):
         for j in range(n+1):
             tmp.append(x_n[i+j])
         A.append(tmp)
-    return SovleRowMain(A,b)
+    print("A:", A)
+    print("b:", b)
+    result = SovleRowMain(A, b)
+    print("result:", result)
+    return result
 
+#把x和y换成题干的数值###################
+x = [19,25,31,38,44]
+y = [19.0,32.3,49.0,73.3,97.8]
 if __name__ == "__main__":
     x_square = [i**2 for i in x]
     coeff = LeastSquares(x_square, y, 1)