matlab linear algebra example

The resistance of a metal follows the following relationship: R = a + bT + cT2

Determine parameter values, a, b, and c, using the following the two data sets.

T (K) 300 400 600

R (Ohms) 15.0 21.1 36.0

[M.Many]

Plot the values, and go to "Basic fitting" in the "Tools" tab.

[Walter Roberson]

polyfit()