.
. Starting Step 3.1
let x2 = data 10 50 120 200 800
let y2 = data 0 5 12 15 20
.
CAPTURE EXACT22.OUT
exact 2/2 fit y2 x2 thermexp temp
fit thermexp = (a0+a1*temp+a2*temp**2)/(1+b1*temp+b2*temp**2)
END OF CAPTURE
.
x1label ^temp
y1label ^thermexp
title displacement 7
title Thermal Expansion of Copper DataCR()Q/Q Rational Function Model
plot thermexp pred vs temp
title
title displacement
x1label
y1label
. Finished Step 3.1: Page Back for Output