[Octave-bug-tracker] [bug #46762] slow display in command window

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?46762>

                 Summary: slow display in command window
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sun 27 Dec 2015 01:06:41 PM UTC
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Performance
                  Status: None
             Assigned to: None
         Originator Name: silver
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: GNU/Linux

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Details:

Hello,

The problem is that when executing a selection from the editor, it will be
shown slowly in the command window. 

For example, this code has taken around 5 s, however, with Scilab, it took
around 0.1 s

a=[1,5,6]
b=[0,-1,1]
x=[]
y=[]
z=[]
for i=1:3
x(i)=a(i)+i*b(i)^i
y(i)=x(i)+i*a(i)
z(i)=x(i)*y(i)
end
h1=100
h2=20
cp=1
m=0.5
Q1=m*cp*(h1-h2)
h3=250
h4=600
cp=1
m2=0.8
Q2=m2*cp*(h4-h3)
h5=150
h6=200
cp=1
m3=0.8
Q3=m3*cp*(h6-h5)




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