Kelvin's Octave Assignment: Difference between revisions

Latest revision as of 21:45, 3 October 2010

x = A\b solves the equation Ax=b

For example, this will solve and print solutions for the equations:

$1 \times x 1 + 2 \times x 2 + 3 \times x 3 = 55$

$4 \times x 1 + 5 \times x 2 + 6 \times x 3 = 20$

$7 \times x 1 + 8 \times x 2 + 9 \times x 3 = 42$

clear all
close all
A=[1,2,3
   4,5,6
   7,8,9];
b=[55
   20
   42];
result = A\b;
x1=result(1)
x2=result(2)
x3=result(3)

@@ Line 1: / Line 1: @@
 ==Solve Linear System of EQ's with Octave==
-This will solve and print solutions for the equations:
+x = A\b solves the equation ''A'''''x'''='''b'''
-'''<math>1 \times x1+2 \times x2+3 \times x3=1</math>'''
+For example, this will solve and print solutions for the equations:
-'''<math>4 \times x1+5 \times x2+6 \times x3=2</math>'''
+'''<math>1 \times x1+2 \times x2+3 \times x3=55</math>'''
-'''<math>7 \times x1+8 \times x2+9 \times x3=3</math>'''
+'''<math>4 \times x1+5 \times x2+6 \times x3=20</math>'''
+'''<math>7 \times x1+8 \times x2+9 \times x3=42</math>'''
@@ Line 15: / Line 17: @@
 ,5,6
 ,8,9];
-  b=[1
+  b=[55
 ];
   result = A\b;
   x1=result(1)
   x2=result(2)
   x3=result(3)