ChE 250 Numeric Methods

1
ChE 250 Numeric Methods

• Lecture 10, Chapra Chapter 8, Chapter 9
• 20070207

2
Part 2 summary

• Bracketing
• Graphical
• False-Position
• Bisection
• Open
• Fixed point, single and multi-variable
• Newton-Raphson, single and multi (with
  linearization)
• Secant
• Polynomial
• Müllers Method
• Bairstows Method
• Root location with Excel,Matlab, Scilab

3
Computer Lab Result

• We all learned some basic Matlab skills
• Assign variables
• Scalar (a7)
• Vector (a7 3 2, x0.15)
• Matrix
• Create function M file
• function, spelled correct and with small f
• Plot function

4
Future

• Your first project (10 course grade)
• Excel VBA
• Final project (35 course grade)
• Matlab including m file functions
• Final Exam (10 course grade)
• Calculator skills

5
Preparation for Feb 9th

• Reading
• Chapra Chapter 9 Gauss Elimination
• Homework set 4 due 14Feb
• Chapter 8
• 8.7, 8.8, 8.118.12, 8.17, 8.44
• Chapter 9
• 9.2, 9.6, 9.7, 9.13
• Chapter 10
• 10.2, 10.3, 10.6, 10.11, 10.12, 10.14