OptionalgradientOptionalinitOptionalmaxdefinition of the upper limit of the parameter, if it is a callback the method pass the peak as the unique input, if it is an array the first element define the max of the first peak and so on.
Optionalmindefinition of the lower limit of the parameter, if it is a callback the method pass the peak as the unique input, if it is an array the first element define the min of the first peak and so on.
definition of the step size to approximate the jacobian matrix of the parameter, if it is a callback the method pass the peak as the unique input, if it is an array the first element define the gradientDifference of the first peak and so on.