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fix: reduced the migrad solver tolerance + removed unnecessary check

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ppetrak 2023-01-30 15:16:41 +01:00
parent 80371a0898
commit 59d22fceee
1 changed files with 1 additions and 4 deletions
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5
pyerrors/fits.py
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@ -713,9 +713,6 @@ def _combined_fit(x, y, func, silent=False, **kwargs):
if sorted(list(func.keys())) != key_ls:
raise Exception('x and func dictionaries do not contain the same keys.')
if sorted(list(func.keys())) != sorted(list(y.keys())):
raise Exception('y and func dictionaries do not contain the same keys.')
x_all = np.concatenate([np.array(x[key]) for key in key_ls])
y_all = np.concatenate([np.array(y[key]) for key in key_ls])
@ -768,7 +765,7 @@ def _combined_fit(x, y, func, silent=False, **kwargs):
if output.method != 'Levenberg-Marquardt':
if output.method == 'migrad':
tolerance = 1e-1 # default value set by iminuit
tolerance = 1e-4 # default value of 1e-1 set by iminuit can be problematic
if 'tol' in kwargs:
tolerance = kwargs.get('tol')
fit_result = iminuit.minimize(chisqfunc, x0, tol=tolerance) # Stopping criterion 0.002 * tol * errordef