[Octave-bug-tracker] [bug #56849] contour documentation misleading

[Kai Torben Ohlhus]

Update of bug #56849 (project octave):

                Severity:              3 - Normal => 1 - Wish               
                Priority:              5 - Normal => 3 - Low                
                  Status:                    None => Need Info              
                 Summary: contour documentation wrong => contour documentation
misleading

    _______________________________________________________

Follow-up Comment #1:

Please can you give the exact sequence of commands that lead to your described
error?  I suspect you did not update all values properly when modifying "x". 
The following works for me:


x = 0:2;      # [0   1   2]
y = x;        # [0   1   2]
z = x' * y

z =

   0   0   0
   0   1   2
   0   2   4

contour (x, y, z, 2:3) # works


and



x = 0:0.5:2;  # [0.00000    0.50000    1.00000    1.50000    2.00000]
y = x;        # [0.00000    0.50000    1.00000    1.50000    2.00000]
z = x' * y

z =

   0.00000   0.00000   0.00000   0.00000   0.00000
   0.00000   0.25000   0.50000   0.75000   1.00000
   0.00000   0.50000   1.00000   1.50000   2.00000
   0.00000   0.75000   1.50000   2.25000   3.00000
   0.00000   1.00000   2.00000   3.00000   4.00000

>> contour (x, y, z, 2:3)  # works


I do not understand what makes your example less error prone than the previous
one.


x = 0:3;
y = x;
z = y' * x
z =

   0   0   0   0
   0   1   2   3
   0   2   4   6
   0   3   6   9


The matrix "z" to be plottet in your example will be square as well?

    _______________________________________________________

Reply to this item at:

  <https://savannah.gnu.org/bugs/?56849>

_______________________________________________
  Message sent via Savannah
  https://savannah.gnu.org/