Question: please do it on MATLAB and make sure that is true by showing the solution steps. Use the following set of pressure-volume data to develop
please do it on MATLAB and make sure that is true by showing the solution steps.
Use the following set of pressure-volume data to develop a script m-file to find a0 and a1 in the following exponential model.
After the model development;
Calculate the root of developed model equation using Newton-Raphson method (xinitial=0). Then,
the code should automatically calculate the predicted volume @ 1.05 bar pressure using the regression model. Also, in the same script m-file this value must be calculated using Lagrange Interpolation and the absolute difference between two finding must be displayed as well.
Data
| Pressure (bar) | Volume (m3) |
| 0.644 | 32 |
| 0.985 | 25 |
| 1.108 | 22.2 |
| 1.363 | 18 |
| 1.631 | 15 |
| 1.934 | 12 |
| 2.356 | 9 |
| 3.1 | 7.2 |
Note: The script m-file should work itself . All inputs must be defined in the beginning of the code.
Warnings:
The results should be presented with fprintf command.
The following results should be displayed at the end of the code in this order (just these) a- the model, with a0 and a1 written on it
b- root of the model equation
c- result of the predicted volume at 1.05bar using regression model
d- interpolation result of volume at 1.05bar using lagrange method,
e- the absolute difference between the volume values calculated from model and interpolation.
When script executed above text with correct result should be displayed on command window: answers:
a) The Model: y=()+()*x+()*x^2
b) root value :
c) From model: V= when P=1.05bar
d) According to LAGRANGE Method
f interpolated value for P = 1.05 -> V=
e) absolute difference between calculated value and interpolation
difference:
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