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Need help on octave - simple plot

From: tandiwijaya
Subject: Need help on octave - simple plot
Date: Sun, 26 Feb 2012 18:54:40 -0800 (PST)


I'm newbie, and just downloaded the octave 3.4.0 in Max OS X 10.7.3.

Im trying to do a simple plot and found the following error message:

code starts here:
octave-3.4.0:1> x=[1 2]
x =

   1   2

octave-3.4.0:2> y=[3 4]
y =

   3   4

octave-3.4.0:3> plot(x)
error: popen2: popen2 (child): unable to start process -- Operation not
error: called from:
at line 30, column 44
at line 72, column 19
sh: /Applications/ /bin/sh: bad
interpreter: Operation not permitted
error: `unset' undefined near line 4 column 1
warning: broken pipe -- some output may be lost
code stopped here

Please help how how to solve this problem.

Thank You


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