1> edit script.m

2> script

3> a
a =  10

4> b
b =  31.416

5> pwd
ans = /home/achilles

6> path

Octave's search path contains the following directories:

.
programmi_matlab/Programmi_CS4a
programmi_matlab/esempi
programmi_matlab
/usr/lib/octave/3.6.2/site/oct/i686-pc-cygwin
/usr/lib/octave/site/oct/api-v48+/i686-pc-cygwin
/usr/lib/octave/site/oct/i686-pc-cygwin
/usr/share/octave/3.6.2/site/m
/usr/share/octave/site/api-v48+/m
/usr/share/octave/site/m
/usr/share/octave/site/m/startup
/usr/lib/octave/3.6.2/oct/i686-pc-cygwin
/usr/share/octave/3.6.2/m
/usr/share/octave/3.6.2/m/audio
/usr/share/octave/3.6.2/m/deprecated
/usr/share/octave/3.6.2/m/elfun
/usr/share/octave/3.6.2/m/general
/usr/share/octave/3.6.2/m/geometry
/usr/share/octave/3.6.2/m/help
/usr/share/octave/3.6.2/m/image
/usr/share/octave/3.6.2/m/io
/usr/share/octave/3.6.2/m/linear-algebra
/usr/share/octave/3.6.2/m/miscellaneous
/usr/share/octave/3.6.2/m/optimization
/usr/share/octave/3.6.2/m/path
/usr/share/octave/3.6.2/m/pkg
/usr/share/octave/3.6.2/m/plot
/usr/share/octave/3.6.2/m/polynomial
/usr/share/octave/3.6.2/m/prefs
/usr/share/octave/3.6.2/m/set
/usr/share/octave/3.6.2/m/signal
/usr/share/octave/3.6.2/m/sparse
/usr/share/octave/3.6.2/m/specfun
/usr/share/octave/3.6.2/m/special-matrix
/usr/share/octave/3.6.2/m/startup
/usr/share/octave/3.6.2/m/statistics
/usr/share/octave/3.6.2/m/statistics/base
/usr/share/octave/3.6.2/m/statistics/distributions
/usr/share/octave/3.6.2/m/statistics/models
/usr/share/octave/3.6.2/m/statistics/tests
/usr/share/octave/3.6.2/m/strings
/usr/share/octave/3.6.2/m/testfun
/usr/share/octave/3.6.2/m/time


7> edit proiezione.m

8> help proiezione
`proiezione' is a function from the file /home/achilles/proiezione.m

 proiezione

Additional help for built-in functions and operators is
available in the on-line version of the manual.  Use the command
`doc <topic>' to search the manual index.

Help and information about Octave is also available on the WWW
at http://www.octave.org and via the help@octave.org
mailing list.

9> edit proiezione.m

10> a = [1 0 -1]
a =

   1   0  -1


11> b = [2 -3 4]
b =

   2  -3   4


12> c = proiezione(a,b)
error: `versore_di_' undefined near line 27 column 4
error: called from:
error:   /home/achilles/proiezione.m at line 27, column 4

12> edit proiezione.m

13> c = proiezione(a,b)
c =

  -0.13793   0.20690  -0.27586


14> p
error: `p' undefined near line 14 column 1

14> format long

15> c
c =

  -0.137931034482759   0.206896551724138  -0.275862068965517


16> % operazioni con le matrici

16> A = [1 - 2 3; 0 4 5; -1 2 2]
error: vertical dimensions mismatch (1x2 vs 1x3)

16> A = [1 -2 3; 0 4 5; -1 2 2]
A =

   1  -2   3
   0   4   5
  -1   2   2


17> B = [1 2; 3 4; 5 6]
B =

   1   2
   3   4
   5   6


18> A + B
error: operator +: nonconformant arguments (op1 is 3x3, op2 is 3x2)

18> size(A)
ans =

   3   3


19> size(B)
ans =

   3   2


20> A * B
ans =

   10   12
   37   46
   15   18


21> B'
ans =

   1   3   5
   2   4   6


22> B
B =

   1   2
   3   4
   5   6


23> C = [1-i, i]
C =

   1 - 1i   0 + 1i


24> C'
ans =

   1 + 1i
   0 - 1i


25> C.'
ans =

   1 - 1i
   0 + 1i


26> D = ones(3,2)
D =

   1   1
   1   1
   1   1


27> B
B =

   1   2
   3   4
   5   6


28> B + D
ans =

   2   3
   4   5
   6   7


29> B - D
ans =

   0   1
   2   3
   4   5


30> zeros(3,2)
ans =

   0   0
   0   0
   0   0


31> quit