curve.fit

Power Law with Vertical Offset

A power law plus a constant offset. Use it when y follows a power of x but does not approach zero.

Start with your own data

Parameters

Scale factor.
Exponent.
Constant offset added to the power law.

Tips

  • Use positive x when B can take non-integer values.
  • Without an offset, Power Law has one parameter fewer and is easier to determine.

Related models