MATLAB 如何设定坐标显示正确比例的散点图 30
有一组X、Y的坐标点群，共一百多个点，如下：X坐标：【-27.75813-27.86538-27.89614-26.29042-26.26301-25.69922-25....
有一组X、Y的坐标点群，共一百多个点，如下：
X坐标：
【-27.75813 -27.86538 -27.89614 -26.29042 -26.26301 -25.69922 -25.29691 -25.74611 -27.25799 -29.11894 -30.96857 -32.74566 -34.37809 -36.00479 -38.02763 -40.59597 -42.63756 -45.01431 -47.87414 -50.72623 -53.83505 -57.88968 -62.17971 -66.726 -71.71878 -76.80894 -82.1706 -87.81311 -93.76893 -99.8255 -106.0197 -112.139 -118.0806 -123.947 -129.7024 -135.1508 -140.2873 -145.0652 -149.3653 -153.3744 -157.0581 -160.2992 -163.1253 -165.505 -167.5282 -169.2568 -170.8562 -172.3879 -173.8028 -174.8035 -176.0078 -177.1631 -177.9789 -178.5086 -178.6219 -178.4492 -178.6735 -178.9566 -178.6963 -178.7353 -178.4504 -178.2129 -179.2777 -180.932 -181.653 -181.8374 -181.7969 -181.0939 -180.1995 -179.2878 -177.8998 -176.7905 -175.6076 -174.1216 -172.7312 -171.563 -170.4621 -168.6419 -166.4259 -163.9022 -160.6427 -156.678 -152.0748 -147.0169 -141.6802 -136.0387 -130.1534 -124.3706 -118.0774 -111.9634 -106.0197 100.1733 -94.39606 -88.90091 -83.67393 -78.67245 -74.05303 -69.63701 -65.63384 -62.30385 -59.08121 -56.181 -53.67058 -51.33656 -49.06119 -46.78585 -43.90418 -41.36111 -39.61802 -37.3906 -34.29942 -32.7378 -31.24947 -30.24165 -29.15966 -29.17654 -28.14407 -27.47564 -27.34533 -26.86675】
Y坐标：
【-11.43093 -7.33504 -3.219819 1.19694 5.521867 10.09087 14.79748 19.3832 23.63602 27.75194 31.89984 36.15376 40.61971 45.26599 49.78937 53.99276 58.96204 63.9044 68.59952 73.71349 78.95548 83.02946 87.03522 90.93258 94.13634 97.58494 100.7701 103.5208 105.127 106.7607 106.7691 105.3319 103.3216 101.7582 99.9876 97.28773 94.03392 90.28625 85.9249 81.5079 76.97027 72.15226 67.16818 62.02729 56.88123 51.80617 46.94813 42.31302 37.81642 33.23785 28.97676 24.81845 20.6074 16.39496 12.15893 7.976506 4.012102 0.1211495 -3.792312 -7.62008 -11.43094 -15.21442 -19.13068 -23.2959 -27.50731 -31.74624 -36.05245 -40.24924 -44.45795 -48.76292 -52.93095 -57.3901 -61.98951 -66.57877 -71.49828 -76.9743 -83.0015 -88.76293 -94.573 -100.5623 -106.0409 -110.8536 -114.8724 -118.2325 -121.1829 -123.4635 -124.9713 -127.2944 -126.1529 -124.8445 -123.6155 -122.9855 -122.0218 -119.5144 -116.5592 -113.4921 -109.8141 -106.2109 -102.139 -97.22799 -92.73074 -88.17573 -83.48322 -78.95894 -74.6897 -70.6647 -67.35995 -63.79037 59.67451 -55.99916 -52.8386 -48.76991 -44.72075 -40.51936 -36.40426 -32.02097 -27.98391 -23.87107 -19.69991 -15.57916 】
问如何设定坐标轴使画出的散点图比例正确，我做出来的图是扁的。请高手指点！急用...先谢过啦
根据这些散点如何求得中心点的坐标呢？ 非常急切的请求帮助！拜谢 展开
X坐标：
【-27.75813 -27.86538 -27.89614 -26.29042 -26.26301 -25.69922 -25.29691 -25.74611 -27.25799 -29.11894 -30.96857 -32.74566 -34.37809 -36.00479 -38.02763 -40.59597 -42.63756 -45.01431 -47.87414 -50.72623 -53.83505 -57.88968 -62.17971 -66.726 -71.71878 -76.80894 -82.1706 -87.81311 -93.76893 -99.8255 -106.0197 -112.139 -118.0806 -123.947 -129.7024 -135.1508 -140.2873 -145.0652 -149.3653 -153.3744 -157.0581 -160.2992 -163.1253 -165.505 -167.5282 -169.2568 -170.8562 -172.3879 -173.8028 -174.8035 -176.0078 -177.1631 -177.9789 -178.5086 -178.6219 -178.4492 -178.6735 -178.9566 -178.6963 -178.7353 -178.4504 -178.2129 -179.2777 -180.932 -181.653 -181.8374 -181.7969 -181.0939 -180.1995 -179.2878 -177.8998 -176.7905 -175.6076 -174.1216 -172.7312 -171.563 -170.4621 -168.6419 -166.4259 -163.9022 -160.6427 -156.678 -152.0748 -147.0169 -141.6802 -136.0387 -130.1534 -124.3706 -118.0774 -111.9634 -106.0197 100.1733 -94.39606 -88.90091 -83.67393 -78.67245 -74.05303 -69.63701 -65.63384 -62.30385 -59.08121 -56.181 -53.67058 -51.33656 -49.06119 -46.78585 -43.90418 -41.36111 -39.61802 -37.3906 -34.29942 -32.7378 -31.24947 -30.24165 -29.15966 -29.17654 -28.14407 -27.47564 -27.34533 -26.86675】
Y坐标：
【-11.43093 -7.33504 -3.219819 1.19694 5.521867 10.09087 14.79748 19.3832 23.63602 27.75194 31.89984 36.15376 40.61971 45.26599 49.78937 53.99276 58.96204 63.9044 68.59952 73.71349 78.95548 83.02946 87.03522 90.93258 94.13634 97.58494 100.7701 103.5208 105.127 106.7607 106.7691 105.3319 103.3216 101.7582 99.9876 97.28773 94.03392 90.28625 85.9249 81.5079 76.97027 72.15226 67.16818 62.02729 56.88123 51.80617 46.94813 42.31302 37.81642 33.23785 28.97676 24.81845 20.6074 16.39496 12.15893 7.976506 4.012102 0.1211495 -3.792312 -7.62008 -11.43094 -15.21442 -19.13068 -23.2959 -27.50731 -31.74624 -36.05245 -40.24924 -44.45795 -48.76292 -52.93095 -57.3901 -61.98951 -66.57877 -71.49828 -76.9743 -83.0015 -88.76293 -94.573 -100.5623 -106.0409 -110.8536 -114.8724 -118.2325 -121.1829 -123.4635 -124.9713 -127.2944 -126.1529 -124.8445 -123.6155 -122.9855 -122.0218 -119.5144 -116.5592 -113.4921 -109.8141 -106.2109 -102.139 -97.22799 -92.73074 -88.17573 -83.48322 -78.95894 -74.6897 -70.6647 -67.35995 -63.79037 59.67451 -55.99916 -52.8386 -48.76991 -44.72075 -40.51936 -36.40426 -32.02097 -27.98391 -23.87107 -19.69991 -15.57916 】
问如何设定坐标轴使画出的散点图比例正确，我做出来的图是扁的。请高手指点！急用...先谢过啦
根据这些散点如何求得中心点的坐标呢？ 非常急切的请求帮助！拜谢 展开
2个回答
展开全部
有两个点的数据是错的，改正了。
x=[-27.75813 -27.86538 -27.89614 -26.29042 -26.26301 -25.69922 -25.29691 -25.74611 -27.25799 -29.11894 -30.96857 -32.74566 -34.37809 -36.00479 -38.02763 -40.59597 -42.63756 -45.01431 -47.87414 -50.72623 -53.83505 -57.88968 -62.17971 -66.726 -71.71878 -76.80894 -82.1706 -87.81311 -93.76893 -99.8255 -106.0197 -112.139 -118.0806 -123.947 -129.7024 -135.1508 -140.2873 -145.0652 -149.3653 -153.3744 -157.0581 -160.2992 -163.1253 -165.505 -167.5282 -169.2568 -170.8562 -172.3879 -173.8028 -174.8035 -176.0078 -177.1631 -177.9789 -178.5086 -178.6219 -178.4492 -178.6735 -178.9566 -178.6963 -178.7353 -178.4504 -178.2129 -179.2777 -180.932 -181.653 -181.8374 -181.7969 -181.0939 -180.1995 -179.2878 -177.8998 -176.7905 -175.6076 -174.1216 -172.7312 -171.563 -170.4621 -168.6419 -166.4259 -163.9022 -160.6427 -156.678 -152.0748 -147.0169 -141.6802 -136.0387 -130.1534 -124.3706 -118.0774 -111.9634 -106.0197 -100.1733 -94.39606 -88.90091 -83.67393 -78.67245 -74.05303 -69.63701 -65.63384 -62.30385 -59.08121 -56.181 -53.67058 -51.33656 -49.06119 -46.78585 -43.90418 -41.36111 -39.61802 -37.3906 -34.29942 -32.7378 -31.24947 -30.24165 -29.15966 -29.17654 -28.14407 -27.47564 -27.34533 -26.86675]
y=[-11.43093 -7.33504 -3.219819 1.19694 5.521867 10.09087 14.79748 19.3832 23.63602 27.75194 31.89984 36.15376 40.61971 45.26599 49.78937 53.99276 58.96204 63.9044 68.59952 73.71349 78.95548 83.02946 87.03522 90.93258 94.13634 97.58494 100.7701 103.5208 105.127 106.7607 106.7691 105.3319 103.3216 101.7582 99.9876 97.28773 94.03392 90.28625 85.9249 81.5079 76.97027 72.15226 67.16818 62.02729 56.88123 51.80617 46.94813 42.31302 37.81642 33.23785 28.97676 24.81845 20.6074 16.39496 12.15893 7.976506 4.012102 0.1211495 -3.792312 -7.62008 -11.43094 -15.21442 -19.13068 -23.2959 -27.50731 -31.74624 -36.05245 -40.24924 -44.45795 -48.76292 -52.93095 -57.3901 -61.98951 -66.57877 -71.49828 -76.9743 -83.0015 -88.76293 -94.573 -100.5623 -106.0409 -110.8536 -114.8724 -118.2325 -121.1829 -123.4635 -124.9713 -127.2944 -126.1529 -124.8445 -123.6155 -122.9855 -122.0218 -119.5144 -116.5592 -113.4921 -109.8141 -106.2109 -102.139 -97.22799 -92.73074 -88.17573 -83.48322 -78.95894 -74.6897 -70.6647 -67.35995 -63.79037 -59.67451 -55.99916 -52.8386 -48.76991 -44.72075 -40.51936 -36.40426 -32.02097 -27.98391 -23.87107 -19.69991 -15.57916]
plot(x,y)
axis([-250 50 -150 150])
x=[-27.75813 -27.86538 -27.89614 -26.29042 -26.26301 -25.69922 -25.29691 -25.74611 -27.25799 -29.11894 -30.96857 -32.74566 -34.37809 -36.00479 -38.02763 -40.59597 -42.63756 -45.01431 -47.87414 -50.72623 -53.83505 -57.88968 -62.17971 -66.726 -71.71878 -76.80894 -82.1706 -87.81311 -93.76893 -99.8255 -106.0197 -112.139 -118.0806 -123.947 -129.7024 -135.1508 -140.2873 -145.0652 -149.3653 -153.3744 -157.0581 -160.2992 -163.1253 -165.505 -167.5282 -169.2568 -170.8562 -172.3879 -173.8028 -174.8035 -176.0078 -177.1631 -177.9789 -178.5086 -178.6219 -178.4492 -178.6735 -178.9566 -178.6963 -178.7353 -178.4504 -178.2129 -179.2777 -180.932 -181.653 -181.8374 -181.7969 -181.0939 -180.1995 -179.2878 -177.8998 -176.7905 -175.6076 -174.1216 -172.7312 -171.563 -170.4621 -168.6419 -166.4259 -163.9022 -160.6427 -156.678 -152.0748 -147.0169 -141.6802 -136.0387 -130.1534 -124.3706 -118.0774 -111.9634 -106.0197 -100.1733 -94.39606 -88.90091 -83.67393 -78.67245 -74.05303 -69.63701 -65.63384 -62.30385 -59.08121 -56.181 -53.67058 -51.33656 -49.06119 -46.78585 -43.90418 -41.36111 -39.61802 -37.3906 -34.29942 -32.7378 -31.24947 -30.24165 -29.15966 -29.17654 -28.14407 -27.47564 -27.34533 -26.86675]
y=[-11.43093 -7.33504 -3.219819 1.19694 5.521867 10.09087 14.79748 19.3832 23.63602 27.75194 31.89984 36.15376 40.61971 45.26599 49.78937 53.99276 58.96204 63.9044 68.59952 73.71349 78.95548 83.02946 87.03522 90.93258 94.13634 97.58494 100.7701 103.5208 105.127 106.7607 106.7691 105.3319 103.3216 101.7582 99.9876 97.28773 94.03392 90.28625 85.9249 81.5079 76.97027 72.15226 67.16818 62.02729 56.88123 51.80617 46.94813 42.31302 37.81642 33.23785 28.97676 24.81845 20.6074 16.39496 12.15893 7.976506 4.012102 0.1211495 -3.792312 -7.62008 -11.43094 -15.21442 -19.13068 -23.2959 -27.50731 -31.74624 -36.05245 -40.24924 -44.45795 -48.76292 -52.93095 -57.3901 -61.98951 -66.57877 -71.49828 -76.9743 -83.0015 -88.76293 -94.573 -100.5623 -106.0409 -110.8536 -114.8724 -118.2325 -121.1829 -123.4635 -124.9713 -127.2944 -126.1529 -124.8445 -123.6155 -122.9855 -122.0218 -119.5144 -116.5592 -113.4921 -109.8141 -106.2109 -102.139 -97.22799 -92.73074 -88.17573 -83.48322 -78.95894 -74.6897 -70.6647 -67.35995 -63.79037 -59.67451 -55.99916 -52.8386 -48.76991 -44.72075 -40.51936 -36.40426 -32.02097 -27.98391 -23.87107 -19.69991 -15.57916]
plot(x,y)
axis([-250 50 -150 150])
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