#3 TEAM Assignment: Curve-fitting
Curve Fitting Models
Linear
· Experimental data on rectangular grid paper,
· image1.wmf
b
Straight line· The equation is given by:
y = m x + b;
Where:
· y = dependant variable
· m = slope (constant)
· x = independent variable
· b = y- intercept (constant)
Power
Functions with exponents have two forms:
· image3.png Base is the variable
image3.png
· Exponent is a rational #
· y = x
image5.png
Exponential
· Fixed base
· image4.png
· y = b
image2.wmf
x
; b ( 0