1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
|
>> [L,TT]=meshgrid(llat,ttime);
>> size(L)
ans =
124 7
>> size(TT)
ans =
124 7
>> xdata=[L(:) TT(:)];
>> size(xdata)
ans =
868 2
>> ydata=T(:);
>> size(ydata)
ans =
868 1
>> fun = @(x,xdata) x(1)+x(2)*cos(2*pi*xdata(2)/12+x(4))+x(3)*(xdata(1)+pi/2)*(xdata(1)-pi/2)*cos(2*pi*xdata(2)/6+x(5))
fun =
@(x,xdata)x(1)+x(2)*cos(2*pi*xdata(2)/12+x(4))+x(3)*(xdata(1)+pi/2)*(xdata(1)-pi/2)*cos(2*pi*xdata(2)/6+x(5))
>> x0=[0,0,0,0,0];
>> x=lsqcurvefit(fun,x0,xdata,ydata);
??? Error using ==> lsqcurvefit at 253
Function value and YDATA sizes are incommensurate.
>> fun([0,0,0,0,0],xdata)
ans =
0 |
Partager