matlab求相关系数t=1:1:11;y1=[3326 3659 4007 4989 6385 6698 8237 10292 13411 15800 19168];y2=[2567 2886 2783 2800 2999 3069 3200 3500 4088 4700 5398];y3=[2730 3654 4749 6020 7658 8412 9407 11201 14733 14283 18364];y4=[4536 4838 4084 5575 5642 672
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![matlab求相关系数t=1:1:11;y1=[3326 3659 4007 4989 6385 6698 8237 10292 13411 15800 19168];y2=[2567 2886 2783 2800 2999 3069 3200 3500 4088 4700 5398];y3=[2730 3654 4749 6020 7658 8412 9407 11201 14733 14283 18364];y4=[4536 4838 4084 5575 5642 672](/uploads/image/z/12547415-47-5.jpg?t=matlab%E6%B1%82%E7%9B%B8%E5%85%B3%E7%B3%BB%E6%95%B0t%3D1%3A1%3A11%3By1%3D%5B3326+3659+4007+4989+6385+6698+8237+10292+13411+15800+19168%5D%3By2%3D%5B2567+2886+2783+2800+2999+3069+3200+3500+4088+4700+5398%5D%3By3%3D%5B2730+3654+4749+6020+7658+8412+9407+11201+14733+14283+18364%5D%3By4%3D%5B4536+4838+4084+5575+5642+672)
matlab求相关系数t=1:1:11;y1=[3326 3659 4007 4989 6385 6698 8237 10292 13411 15800 19168];y2=[2567 2886 2783 2800 2999 3069 3200 3500 4088 4700 5398];y3=[2730 3654 4749 6020 7658 8412 9407 11201 14733 14283 18364];y4=[4536 4838 4084 5575 5642 672
matlab求相关系数
t=1:1:11;
y1=[3326 3659 4007 4989 6385 6698 8237 10292 13411 15800 19168];
y2=[2567 2886 2783 2800 2999 3069 3200 3500 4088 4700 5398];
y3=[2730 3654 4749 6020 7658 8412 9407 11201 14733 14283 18364];
y4=[4536 4838 4084 5575 5642 6725 7954 11454 10118 12067 18854];
q=[6280 6859.6 7702.8 8472.2 9421.6 10493 11759.5 13785.5 15780.8 17175 19109];
[p1,s1,mu1]=polyfit(t',y1',3)
p2=polyfit(t',y2',3);
p3=polyfit(t',y3',3);
p4=polyfit(t',y4',3);
q=polyfit(t',q',3);
matlab求相关系数t=1:1:11;y1=[3326 3659 4007 4989 6385 6698 8237 10292 13411 15800 19168];y2=[2567 2886 2783 2800 2999 3069 3200 3500 4088 4700 5398];y3=[2730 3654 4749 6020 7658 8412 9407 11201 14733 14283 18364];y4=[4536 4838 4084 5575 5642 672
用 corrcoef(x,y)好了