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fitting data to an integral function

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Amin
Amin 2011-10-27
回答： Jorge Gonzalez 2017-7-27
Hello, I have a set of data and the function, I must fit with, contains an integral part (my problem):
my function is:
quad(@(u) u./(u.^4 + (x*t)^2), 0, 1000);
I use:
func = inline ('quad(@(u) u./(u.^4 + (x*t)^2), 0, 1000)','p', 'x');
and later I use:
[p,r,j] = nlinfit(x,y,func,p);
---------------------------------------------
"func" should be a function dependant on "t" and "x". "t" is the parameter I want to fit. "x" is a vector with known values.
in my program, "func" is not a vector, and for fitting I need a vector(t). How is it possible that matlab calculated "func" as a vector (for all "w" values) and makes a "func" vector? Then I can fit "t" parameter!
I don't know my idea is right or not! Maybe you have a better idea. Thanks a lot.

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回答（1 个）

Jorge Gonzalez
Jorge Gonzalez 2017-7-27
hi i have the same problem, Could you solve it?

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