Re: help to make a curve onli with to vectorts

[Montgomery-Smith, Stephen]

Did you mean x2 = 1:.1:4 ?

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From: Help-octave <help-octave-bounces+address@hidden> on behalf of Doug Stewart <address@hidden>
Sent: Saturday, December 15, 2018 10:05:48 AM
To: linuxnero
Cc: Help GNU Octave
Subject: Re: help to make a curve onli with to vectorts

 

On Sat, Dec 15, 2018 at 10:58 AM linuxnero <address@hidden> wrote:

of course but that graph a straight lines
but i want a curve

Try this

x= [01 2 3 4]

y= [0 10 15 20]

plot(x,y)

hold on 

p=polyfit(x,y,3)

x2=0:.1:5;

y1=polyval(p,x2)

plot(x2,y1)

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DAS