MGH09

Problem definition

Objective function
f = @(x,b) (b(1)*(x.^2+x*b(2)))./(x.^2+x*b(3)+b(4))
Problem setup
Graphic representation
scatter(x,y)

Optimization example with lsqcurvefit

Optimization
rng(0)	

% for tractability

[b,info] = lsqcurvefit(f,ig1,x,y)

% running minimization

Animation
rng(0)
[~,info] = lsqcurvefit(f,ig1,x,y)
info.plot = 'fit'
info.animate = true	

% plot animation

info.animfreq = 10

% frame frequency

optimview('lsqcurvefit',info)

Related functions

lsqcurvefit | plot | scatter