matlab 关于spline函数问题运行出错x=[40 50 50 60 70 80 80 90 120 130 140 150 160 170 180 180 190 190];y=[69.5 52.5 34.6 31 28 25.9 23 20.9 17 15.6 14.4 12 10.7 9.6 8.7 7.9 7.2 6.9];xx=40:0.45:190;yy=spline(x,y,xx);plot(x,y,'o',xx,yy),grid
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![matlab 关于spline函数问题运行出错x=[40 50 50 60 70 80 80 90 120 130 140 150 160 170 180 180 190 190];y=[69.5 52.5 34.6 31 28 25.9 23 20.9 17 15.6 14.4 12 10.7 9.6 8.7 7.9 7.2 6.9];xx=40:0.45:190;yy=spline(x,y,xx);plot(x,y,'o',xx,yy),grid](/uploads/image/z/11451657-57-7.jpg?t=matlab+%E5%85%B3%E4%BA%8Espline%E5%87%BD%E6%95%B0%E9%97%AE%E9%A2%98%E8%BF%90%E8%A1%8C%E5%87%BA%E9%94%99x%3D%5B40+50+50+60+70+80+80+90+120+130+140+150+160+170+180+180+190+190%5D%3By%3D%5B69.5+52.5+34.6+31+28+25.9+23+20.9+17+15.6+14.4+12+10.7+9.6+8.7+7.9+7.2+6.9%5D%3Bxx%3D40%3A0.45%3A190%3Byy%3Dspline%28x%2Cy%2Cxx%29%3Bplot%28x%2Cy%2C%27o%27%2Cxx%2Cyy%29%2Cgrid)
matlab 关于spline函数问题运行出错x=[40 50 50 60 70 80 80 90 120 130 140 150 160 170 180 180 190 190];y=[69.5 52.5 34.6 31 28 25.9 23 20.9 17 15.6 14.4 12 10.7 9.6 8.7 7.9 7.2 6.9];xx=40:0.45:190;yy=spline(x,y,xx);plot(x,y,'o',xx,yy),grid
matlab 关于spline函数问题运行出错
x=[40 50 50 60 70 80 80 90 120 130 140 150 160 170 180 180 190 190];
y=[69.5 52.5 34.6 31 28 25.9 23 20.9 17 15.6 14.4 12 10.7 9.6 8.7 7.9 7.2 6.9];
xx=40:0.45:190;
yy=spline(x,y,xx);
plot(x,y,'o',xx,yy),grid 错在什么地方 希望帮助改正
matlab 关于spline函数问题运行出错x=[40 50 50 60 70 80 80 90 120 130 140 150 160 170 180 180 190 190];y=[69.5 52.5 34.6 31 28 25.9 23 20.9 17 15.6 14.4 12 10.7 9.6 8.7 7.9 7.2 6.9];xx=40:0.45:190;yy=spline(x,y,xx);plot(x,y,'o',xx,yy),grid
x=[40 50 50 60 70 80 80 90 120 130 140 150 160 170 180 180 190 190];
y=[69.5 52.5 34.6 31 28 25.9 23 20.9 17 15.6 14.4 12 10.7 9.6 8.7 7.9 7.2 6.9];
xx=40:0.45:200;
N0=length(x);
s=(1:N0);
t=(1:0.05:N0);
u=spline(s,x,t);
v=spline(s,y,t);
plot(x,y,'.',u,v)