You can utilize kwargs in scipy.optimize.curve_fit() to transmit a parameter that is not undergoing fitting by specifying the parameter name and its value in the form of a dictionary as the keyword arguments. For example, if you want to pass a parameter "p" with a value of 5 without including it in the fitting process, you can use the following code:
import scipy.optimize as optimize
def func(x, a, b, c):
return a * x ** 2 + b * x + c
xdata = [1, 2, 3, 4, 5]
ydata = [1, 4, 9, 16, 25]
init_guess = [1, 1, 1]
param_dict = {'p': 5}
popt, pcov = optimize.curve_fit(func, xdata, ydata, p0=init_guess, **param_dict)
In the above example, the parameter "p" is not included in the initial guess and is not being fitted. It is transmitted as a keyword argument through the param_dict
. The **
before param_dict
tells the function to unpack the dictionary and use it as keyword arguments.
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Asked: 2022-08-21 11:00:00 +0000
Seen: 12 times
Last updated: Jan 06 '22
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