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<div class="moz-cite-prefix">On 17/09/2012 09:53, Carrico, Paul
wrote:<br>
</div>
<blockquote
cite="mid:55A12CBC06A8C9459DCE0BBEF8122FDC08B77487@exchsrv.AUXITROL1"
type="cite">
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<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"><font
color="#000000" face="Arial">Dear all,</font></span></span></div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"></span></span> </div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"><font
color="#000000" face="Arial">Is it possible to make a
linear interpolation between 2 curves ? note the abscissa
are not necessary exactly the same ...</font></span></span></div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"></span></span> </div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"><font
color="#000000" face="Arial">In particular terms, I've a
curve one at temperature X and another one at température
Y and I would like to have (and to plot) temperature at
temperature Z in-between X-Y ... (see attachment)</font></span></span></div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"></span></span> </div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"><font
color="#000000" face="Arial">I had a look in interp,
interp1 and interpln but nothing sound useful for me ...
Am I wrong ?</font></span></span></div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"></span></span> </div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"><font
color="#000000" face="Arial">Thanks for any advice</font></span></span></div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"></span></span> </div>
<div><span style="FONT-FAMILY: 'Comic Sans MS'; COLOR: green;
FONT-SIZE: 10pt"><span class="711212207-17092012"><font
color="#000000" face="Arial">Paul</font></span></span></div>
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</blockquote>
You should have a look at ndgrid and cshep2d.<br>
Here is a bit a script we use to interpolate scattered data on a
grid:<br>
<br>
[xy,k]=unique([x,y],1);<br>
x=x(k);<br>
y=y(k);<br>
z=z(k);<br>
<br>
//Interpolation bicubique<br>
tl_coef = cshep2d([x y z]);<br>
// evaluation on a grid<br>
m = 50;<br>
X = linspace(min(x),max(x),m);<br>
Y = linspace(min(y),max(y),m);<br>
[xx,yy] = ndgrid(X,Y);<br>
// interpolation bicubique pour intuiter les valeurs<br>
Z = eval_cshep2d(xx,yy, tl_coef);<br>
<br>
<br>
Cheers,<br>
<br>
Antoine<br>
<pre class="moz-signature" cols="72">--
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Antoine Monmayrant LAAS - CNRS
7 avenue du Colonel Roche
31077 TOULOUSE
Cedex 4 FRANCE
Tel:+33 5 61 33 64 59
email : <a class="moz-txt-link-abbreviated" href="mailto:antoine.monmayrant@laas.fr">antoine.monmayrant@laas.fr</a>
permanent email : <a class="moz-txt-link-abbreviated" href="mailto:antoine.monmayrant@polytechnique.org">antoine.monmayrant@polytechnique.org</a>
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
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