diff --git a/.main.cpp.swp b/.main.cpp.swp
index d8a805189373e211685bb411000e056dd0de7e86..0adb263585ee33fdce3036d7d53ede387fb36e98 100644
Binary files a/.main.cpp.swp and b/.main.cpp.swp differ
diff --git a/ma b/ma
index 3cb37ed0519db484fecd44cc93909d86d7801916..720b3cd4b55b1c7418235beb5eb4ed1b64b7f3c3 100755
Binary files a/ma and b/ma differ
diff --git a/main.cpp b/main.cpp
index b67ff874cbce0fc1f5eb6973102fdf7ce6fac378..6e4df5ed3e289c3215005c150853fd3861b44762 100644
--- a/main.cpp
+++ b/main.cpp
@@ -48,33 +48,31 @@ int main()
 	*/
 	cout<<"------------autodiff for neraul network-----------"<<endl;
 	Matrix data_mine = CreateMatrix(2,1);
-	change_va(data_mine,0,0,0.55);
-	change_va(data_mine,1,0,0.2);
+	/*change_va(data_mine,0,0,0.55);
+	change_va(data_mine,1,0,0.2);*/
 	cout<<"data mine"<<endl;
 	cout_mat(data_mine);
 	cout<<"data mine"<<endl;
 	Matrix label = CreateRandMat(2,1);
-	change_va(label,0,0,0.4);
+  /*  change_va(label,0,0,0.4);
 	change_va(label,1,0,0.8);
+	*/
 	Matrix weight1 = CreateRandMat(2,2);
-	change_va(weight1,0,0,0.1);
+	/*change_va(weight1,0,0,0.1);
 	change_va(weight1,0,1,0.2);
 	change_va(weight1,1,0,0.2);
 	change_va(weight1,1,1,0.4);
+	*/
 	cout<<"weight1";
 	cout_mat(weight1);
 	cout<<"weight1";
 	Matrix bais1 = ones(2,1);
 	Matrix weight2 = CreateRandMat(2,2);
-	change_va(weight2,0,0,0.5);
-	change_va(weight2,1,0,0.6);
-	change_va(weight2,0,1,0.7);
-	change_va(weight2,1,1,0.8);
-	Matrix bais2 = ones(2,1);	
-	Matrix weight3 = CreateRandMat(2,2);
-	Matrix bais3 = ones(2,1);	
-	Matrix weight4 = CreateRandMat(2,2);
-	Matrix bais4 = ones(2,1);	
+	//change_va(weight2,0,0,0.5);
+	//change_va(weight2,1,0,0.6);
+  //  change_va(weight2,0,1,0.7);
+//	change_va(weight2,1,1,0.8);
+	Matrix bais2 = ones(2,1);
 	for(int epoch = 0;epoch<1000;epoch++)
 	{
 	cout<<"---------epoch: "<<epoch<<"------------"<<endl;