Purchase Solution

Matlab and roots

Not what you're looking for?

Ask Custom Question


I need help in using Matlab to build an m file for
solving non-linear equations using the Newton-Raphson
method (or another recommended method.) I need a clear
explanation of the process of creating an m file, and
also using it to find the roots of the following two
equations as examples:

1) f(x) = exp(-x) - sin((pi/2)*x)

2) x^5 - 17*x^4 + 124*x^3 - 508*x^2 + 1035*x - 875 = 0

The method must also find complex roots if they exist.

Purchase this Solution

Solution Summary

This shows how to use Matlab to find roots, including complex roots.

Solution Preview

Open MatLab !
Now click File - New - M-file and click
A new window opens. Give a new name and save it to your fav directory.
Now we can give the commands.
Always try to begin by the commands ...

Purchase this Solution

Free BrainMass Quizzes
Probability Quiz

Some questions on probability

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.