MATLAB1

An Introduction MATLAB

Introduction

http://www.mathworks.co.uk/moler/intro.pdf

Getting Started: Some Arithmetic

The Golden Ratio

http://en.wikipedia.org/wiki/Golden_ratio

phi = (1 + sqrt(5))/2

phi =
    1.6180

format long
phi

phi =
    1.618033988749895

φ2 − φ − 1 = 0

p = [1 -1 -1]
r = roots(p)

r =
  -0.618033988749895
   1.618033988749895

Vectors and Matrices

separated by either commas or spaces:

v = [ 1 3, sqrt(5)]

v =
1.0000   3.0000   2.2361

length(v)

ans =
3

v = [ 1; 3; sqrt(5)]

c =
    1.0000
    3.0000
    2.2361

Ready Reference

http://www.maths.dundee.ac.uk/ftp/na-reports/MatlabNotes.pdf