提取矩阵中各元素的值，并计算各列均值

悠悠鱼 2011-09-18 02:20:27

现有如下数据矩阵A：
A＝[ 6.56 223.90 40.08 25.17 950.00 15.40 32.28 117.35
6.35 525.20 59.35 117.53 800.00 20.20 169.96 726.02
14.08 192.90 67.96 308.61 104.00 28.20 434.80 966.73
56.7 269.80 95.83 44.81 121.00 17.80 62.91 166.73
9.62 1066.20 285.58 2528.48 13500 41.70 381.64 1417.86
7.09 1123.90 88.17 151.64 160.00 25.80 172.36 926.84
8.72 267.10 65.56 29.65 63.00 21.70 36.94 100.41
5.93 201.40 45.19 24.90 259.00 14.60 35.88 102.65
9.17 287.00 43.94 45.77 168.00 19.70 62.74 223.16
5.72 193.70 80.35 26.57 111.00 19.80 57.64 89.08
4.49 359.50 258.15 123.27 77.00 12.90 106.47 853.98
5.51 516.40 91.97 89.04 189.00 19.80 121.72 494.80
11.45 144.50 94.78 136.97 202.00 22.30 472.48 602.04
6.14 445.40 82.69 167.39 144.00 18.40 111.24 389.80
7.84 347.90 57.65 97.14 213.00 19.60 70.82 307.24
7.41 345.70 159.45 71.03 85.00 18.10 89.34 380.92
8.50 614.00 744.46 130.55 156.00 32.80 228.64 1013.47
5.51 257.20 54.64 29.01 104.00 13.20 87.68 223.27
4.29 232.90 29.17 40.02 1714.29 9.79 38.65 95.41
4.69 132.80 36.11 17.28 20.36 15.53 37.03 82.76
5.72 1619.80 43.48 15.50 20.36 15.41 30.99 57.55
6.77 282.50 41.97 52.80 27.86 18.34 49.10 104.90
4.49 180.60 37.23 18.70 27.86 11.93 36.45 63.98
3.11 386.60 35.93 26.38 24.64 12.26 60.00 157.24
2.91 345.00 40.46 152.21 23.57 15.53 58.05 170.71
4.29 95.60 22.49 17.15 85.71 10.13 27.97 67.24
7.63 87.10 45.83 14.83 30.00 14.63 29.25 48.78
5.93 203.00 35.97 16.88 15.00 14.51 45.83 89.49
2.34 353.00 24.53 12.70 11.79 9.00 58.80 89.08
2.91 233.20 24.92 21.62 85.71 8.33 45.20 100.10
5.72 174.30 33.83 29.45 20.36 13.05 42.10 71.43
2.34 87.60 18.46 9.73 13.93 8.89 24.43 43.37
6.56 245.60 36.73 61.30 55.71 14.18 47.24 114.29
4.69 167.90 33.15 18.96 60.00 15.98 33.46 55.71
6.35 111.40 28.82 59.17 206.79 11.70 28.02 61.53
5.10 94.60 77.92 20.34 23.57 28.69 25.92 58.47
4.69 111.60 24.57 12.09 31.07 8.55 27.12 43.88
3.50 85.50 26.33 24.88 36.43 11.36 26.77 64.08
4.69 169.50 39.11 22.51 25.71 15.98 39.53 82.96
4.49 138.00 34.52 35.54 50.36 12.60 25.45 52.45
3.30 131.40 35.97 11.29 43.93 11.03 30.06 61.94
2.91 41.00 41.77 12.50 17.14 17.10 19.68 78.37
4.09 129.70 26.83 10.12 40.71 7.76 28.84 68.16
5.72 148.00 36.73 14.21 52.50 12.60 27.15 57.86
4.90 108.10 22.72 9.40 35.36 8.89 32.39 69.39
4.90 132.50 79.52 18.67 42.86 27.68 28.30 92.24
4.09 162.90 33.79 12.96 30.00 12.94 29.17 74.90
5.93 88.80 52.41 15.30 10.71 19.91 28.62 63.88
2.91 206.70 17.46 12.02 31.07 5.51 53.79 79.18
2.72 121.80 19.98 7.71 24.64 8.10 27.30 57.96
2.34 231.10 36.48 12.80 37.50 17.66 29.02 96.53
2.53 128.60 21.75 9.10 30.00 9.56 22.77 58.06
3.89 126.80 50.01 12.74 53.57 18.68 29.40 69.90
2.34 79.70 74.36 27.49 9.64 45.45 21.22 87.65
2.34 294.10 42.68 12.27 79.29 15.53 83.44 99.49
1.96 238.30 19.71 25.22 19.29 6.64 66.24 142.86
2.72 109.30 18.52 12.55 19.29 9.79 26.06 61.43
3.11 69.40 22.93 7.56 26.79 7.65 22.09 53.06
3.50 155.70 33.30 12.08 42.86 11.36 28.05 51.53
2.72 109.30 19.83 14.54 19.29 9.45 34.56 47.55
1.77 205.50 173.34 27.81 41.79 74.03 55.71 229.80
3.50 53.20 35.15 7.91 20.36 11.14 24.90 34.39
2.53 40.00 19.08 2.29 15.00 7.88 24.15 54.29
9.17 82.80 63.88 24.85 11.79 31.50 21.68 76.53
7.41 222.40 31.10 38.50 142.50 8.66 128.60 133.98
5.72 164.80 49.44 27.98 126.43 13.61 37.64 76.12
8.06 194.00 41.79 31.43 213.21 13.61 45.52 127.35
5.72 310.10 56.40 37.11 138.21 16.43 59.63 154.49
8.72 1024.9 77.61 71.24 128.57 19.35 227.40 1389.39
6.77 492.80 37.86 35.61 142.50 13.39 114.13 118.98
6.56 202.30 33.28 37.67 1339.2 11.36 140.62 110.92
6.77 97.20 38.67 18.12 24.64 14.74 28.77 49.90
6.98 208.60 41.00 28.55 67.50 15.19 93.83 84.59
6.14 143.40 41.67 22.57 88.93 12.49 38.14 65.61
6.69 158.10 36.61 16.22 36.00 12.91 31.67 63.57
8.00 332.60 77.06 46.01 240.00 24.47 68.10 259.29
6.69 401.80 84.94 60.11 138.00 19.16 96.76 227.55
8.23 756.40 42.73 87.52 63.00 19.26 88.74 184.69
9.35 407.50 55.54 61.83 112.00 24.05 66.82 208.27
8.90 307.30 54.39 57.21 326.00 25.72 131.93 256.94
3.77 242.10 30.93 32.13 28.00 11.56 50.60 144.69
5.41 178.90 29.54 23.73 52.00 9.89 49.84 118.88
7.78 315.50 49.76 28.03 550.00 18.95 45.73 109.29 ]
各列代表某个产品的值，请计算出各列平均值，并自动把结果填充如下:
AVG[]＝[]
注：不得剔除非数据部分、换行或人工填写结果在“AVG=[]”的里面。所有必须读取文件并对文件内容进行处理利用计算机自动进行

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