hyperspy._components.bleasdale module
- class hyperspy._components.bleasdale.Bleasdale(a=1.0, b=1.0, c=1.0, module='numexpr', **kwargs)
Bases:
hyperspy._components.expression.Expression
Bleasdale function component.
Also called the Bleasdale-Nelder function. Originates from the description of the yield-density relationship in crop growth.
- Parameters
a (Float) –
b (Float) –
c (Float) –
**kwargs – Extra keyword arguments are passed to the
Expression
component.
For
, the component will be set to 0.
- grad_a(x)
Returns d(function)/d(parameter_1)
- grad_b(x)
Returns d(function)/d(parameter_1)
- grad_c(x)
Returns d(function)/d(parameter_1)