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Question
What to do if my script gives error "The input was too complicated or too big for MATLAB to parse"?
I have too many loops and I think that is the reason for this error. Is there a work around for such error or would I have to wr...
8 years ago | 1 answer | 0
1
answerQuestion
What is wrong with my lsqcurvefit script here?
I have Xdata and Ydata as input data points. And I need to do non-linear regression. Here's what I am doing. K=2; V=0.3...
8 years ago | 1 answer | 0
1
answerQuestion
How to parse different dimension ydata in lsqcurvefit using cell arrays?
Hi. I have compiled all my observed data (of different dimensions) in separate cells e.g. y{1}=[]; for input_trace=1...
8 years ago | 1 answer | 0
1
answerQuestion
How to parse different dimensions of output data vectors using lsqcurvefit?
Hi. I am trying to use lsqcurvefit function, where for each xdata point there are ydata (vector of output data points). I have m...
8 years ago | 1 answer | 0
1
answerQuestion
What does this error mean? (lsqcurvefit)
I have no idea what line291 is saying here. Seems pretty much advanced stuff. It came up when I was trying running a bunch of ls...
9 years ago | 2 answers | 0
2
answersQuestion
Global fit of two set data points with common parameters (lsqcurvefit) but different models?
Hi. I have two set of data points (with common xdata set e.g. (x,y1,y2)). That means two yexp are there for each (x1,x2,x3..). N...
9 years ago | 1 answer | 0
1
answerQuestion
How to keep signs of input parameters fixed while using "levenberg-marquardt" algorithm for lsqcurvefit?
If I use upper and lower bounds for my parameters, the algorithm switches to trust region method automatically. Is there any o...
9 years ago | 1 answer | 0
1
answerQuestion
How to avoid complex eigenvalues of the matrix in its non-linear regression? (lsqcurvefit)
Hi, I am working on fitting my data (X,Y) to a theoretical model of ten unknown parameters (to be optimized). I am using nonlin...
9 years ago | 1 answer | 0
1
answerQuestion
How to perform non linear least square regression of eigenvalues of a matrix (matrix elements being some function of independent variable and parameters to be optimized)?
Hi, I am a beginner in MATLAB and struggling with this one code. I have a (4x4) matrix whose elements are function of independe...
9 years ago | 1 answer | 0
