I do cauchy data fitting, when the data is accord with normal distribution with zero mean value, the fitting effect is normal, but when data are all positive or negative, fitting error, I refer to the case of online, I checked many times didn't see the mistake, also do not know much about the following prompt error, hope god can prompt, help, thank you very much,
Very much hope each great god actively give you valuable advice, thank you!

CodePudding user response:

Everybody a great god help the bai, thank you very much

CodePudding user response:

Has been solved, no thanks no one reply