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Re: re-binning with linear interpolation [message #76369 is a reply to message #76368]

Wed, 01 June 2011 02:55

Wout De Nolf
Messages: 194
Registered: October 2008

Senior Member

On Wed, 1 Jun 2011 01:17:10 -0700 (PDT), abc <deearvind12@gmail.com>
wrote:

> I want to re-bin the wavelength at a step of 1 A and also the flux at
> the same step but with linear interpolation.

a=[[5201.720215,0.0097],$
[5205.345215,0.0088],$
[5208.970703,0.0080],$
[5212.596191,0.0094],$
[5216.221680,0.0133],$
[5219.846680,0.0167],$
[5223.472168,0.0169],$
[5227.097656,0.0156],$
[5230.722656,0.0145],$
[5234.348145,0.0138],$
[5237.973633,0.0130],$
[5241.599121,0.0118],$
[5245.224121,0.0110],$
[5248.849609,0.0116],$
[5252.475098,0.0134],$
[5256.100586,0.0147],$
[5259.725586,0.0139],$
[5263.351074,0.0126]]

; New wavelengths
b=floor(a[0,0])
e=ceil(a[0,-1])
inc=1.
x=b+inc*lindgen(1,(e-b)/inc+1)

; Linear interpolate flux
y=interpol(a[1,*],a[0,*],x)

; Plot
pa=plot(a,'+r-')
pb=plot(x,y,'+-',/overplot)

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[Message index]

		Re: re-binning with linear interpolation By: Jeremy Bailin on Wed, 01 June 2011 12:01
		Re: re-binning with linear interpolation By: penteado on Wed, 01 June 2011 09:58
		Re: re-binning with linear interpolation By: abc on Wed, 01 June 2011 07:42
		Re: re-binning with linear interpolation By: David Fanning on Wed, 01 June 2011 07:02
		Re: re-binning with linear interpolation By: abc on Wed, 01 June 2011 06:35
		Re: re-binning with linear interpolation By: Wout De Nolf on Wed, 01 June 2011 02:55

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