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Re: interpolating flux [message #82928 is a reply to message #82927]

Wed, 23 January 2013 13:49

Matthew
Messages: 18
Registered: February 2006

Junior Member

> I have two black body spectra at different temperature i.e at 5000K and 5200K. Does anyone know How I can interpolate the flux of black body spectra between 5000K 5200K at a step of 50K.

It won't work very well because you only have two data points. This is just one attempt. There are probably better ways (i.e. interpolating over a grid with INTERPOLATE).

nNewSpectra = 10
mySpectra5000 = randomu(3, 1, nNewSpectra)
mySpectra5200 = randomu(3, 1, nNewSpectra)
myT = [5000, 5200]

wantedT = findgen(nNewSpectra) / (nNewSpectra - 1.0D) * (5200 - 5000) + 5200

newSpectra = fltarr(nT, nNewSpectra)
for i = 0, nNewSpectra-1 do begin
newSpectra[i,*] = interpol([mySpectra5000[i], mySpectra5200[i]], myT, wantedT)
endfor

end

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[Message index]

		Re: interpolating flux By: Russell Ryan on Thu, 24 January 2013 11:41
		Re: interpolating flux By: Matthew on Wed, 23 January 2013 13:54
		Re: interpolating flux By: Matthew on Wed, 23 January 2013 13:49
		Re: interpolating flux By: abc on Wed, 23 January 2013 12:27
		Re: interpolating flux By: abc on Wed, 23 January 2013 12:26
		Re: interpolating flux By: Jeremy Bailin on Wed, 23 January 2013 08:44
		Re: interpolating flux By: Craig Markwardt on Wed, 23 January 2013 08:15

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