![photo](/responsive_image/150/150/0/0/0/cache/matlabcentral/profiles/28492063_1669761640440_DEF.jpg)
Jinglei
Followers: 0 Following: 0
Feeds
提问
Modeling of one independent variable with different ranges
I want model three groups of data which share the same independent variable but different ranges and different amounts of points...
1 year 前 | 0 个回答 | 0
0
个回答提问
I am confused about why my code doesn't lead to a fitting result.
x=[0 1 2 3 4 5 6 7 8 9 10] xs = 0:0.01:120; y=[0 4 9 16 25 36 49 64 81 100 121] myfunc=@fitting; rng('shuffle'); best_r = i...
1 year 前 | 2 个回答 | 0
2
个回答提问
I am confused by the error: "Error evaluating inline model function"
myfunc=inline('fitting(c,x)','c','x'); c0=[1.5,1.5]; c=nlinfit(x,y,myfunc,c0) function ytotal = fitting(c,x) xspan = x; ...
1 year 前 | 1 个回答 | 0
1
个回答提问
initial point is a local minimum. Optimization completed because the size of the gradient at the initial point is less than the default value of the function tolerance.
I just found the result not the optimum and the parameters obtained are always the initial ones. global c xdata = [0 ...
2 years 前 | 1 个回答 | 0