diff --git a/chen/CHEN_3.c b/chen/CHEN_3.c
deleted file mode 100644
index 210cb7b..0000000
--- a/chen/CHEN_3.c
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <stdlib.h>
-#define SIZE 1024
-
-void matmul_optimized(float** A, float** B, float** C, int n);
-int main() {
-	int n = SIZE;
-
-	// 分配内存空间
-	float** A = (float**)malloc(sizeof(float*) * n);
-	float** B = (float**)malloc(sizeof(float*) * n);
-	float** C = (float**)malloc(sizeof(float*) * n);
-	int i, j;
-	for(i=0; i<n; i++) {
-		A[i] = (float*)malloc(sizeof(float) * n);
-		B[i] = (float*)malloc(sizeof(float) * n);
-		C[i] = (float*)malloc(sizeof(float) * n);
-	}
-	
-	// 随机化
-	srand(time(0));
-	for(i=0; i<n; i++)
-	for(j=0; j<n; j++) {
-		A[i][j] = rand() % 100;
-		B[i][j] = rand() % 100;
-	}
-
-	// 计算并计时
-	clock_t start = clock();
-	matmul_optimized(A, B, C, SIZE);
-	clock_t end = clock();
-	printf("初始向量乘法时间：%lf\n", (double)(end-start) / CLOCKS_PER_SEC);
-
-	// 释放内存空间
-	for(i=0; i<n; i++) {
-		free(A[i]);
-		free(B[i]);
-		free(C[i]);
-	}
-	free(A); free(B); free(C);
-}
-
-void matmul_optimized(float** A, float** B, float** C, int n) {
-	int i, j, k;
-	for(i=0; i<n; i++)
-	for(j=0; j<n; j++) {
-		C[i][j] = 0;
-		for(k=0; k<n; k++) {
-			C[i][j] = A[i][k] * B[k][j];
-		}
-	}
-}
\ No newline at end of file