Manual Curve Fitting - Fourier MultiLogPRO User Manual

The online analysis function will still be active in subsequent recordings.
To remove the online functions, click Analysis on the menu bar and then click Clear
online functions.
2.6.10.

Manual Curve Fitting

The manual curve fit tool enables you to draw a mathematical curve, to change the
curve's parameters until it fits into data set, and to display the resulting equation.
There are four types of mathematical curves you can draw:
=
Linear y At
Draws a straight line.
=
Quadratic
y A
Draws a parabola.
Exponential =
y Ae
Draws an exponential line.
Power =
y At
Draws a line of the time raised to the power of a number from –5 to 5.
Note: If you want the curve fit equation to start at
any type of curve fitting (see page 90).
To apply manual curve fit:
1. Click on the Analysis menu, then click Manual curve fit to display
the Manual curve fit dialog box.
2. To select a data set for display on the X-axis, click on the data set's
name in the X-axis list.
3. To select a data set to display on the Y-axis, click on the data set's
name in the Y-axis list.
4. Click OK. MultiLab will display the Manual curve fit toolbox at the
bottom of the graph window:
76 Chapter 2 MultiLab Software
+
B
− 2 +
( t B ) C
Bt +
C
B +
C
Figure 25: Manual curve fit toolbox
=
t 0
, apply the crop tool before