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ifsf_addpoly2temp.pro


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IFSFIT

result = ifsf_addpoly2temp(template, nterms=integer, addexp=byte)

Add smooth functions to stellar continuum templates for spectral fitting: polynomials of form x^i (i.e., 1, x, x^2, etc.), their array reversals in wavelength space (i.e., reverse(x), etc.), and optionally 8 exponentials (of form +/-e^-x, +/-e^-2x, +/-e^-4x, +/-e^-8x).

Return value

Array of continuum fitting templates, of type=dblarr(N,M'), with N pixels and M' templates. M' is the number of original templates plus NTERMS polynomials and 8 exponentials (i.e., M' = M + NTERMS + 8).

Parameters

template in required type=dblarr(N,M)

Stellar continuum templates for continuum fitting, with N pixels and M templates.

Keywords

nterms in required type=integer default=3

Use to prevent detailed output to screen. Default is to print detailed output.

addexp in required type=byte default=0

Set to add 8 exponential terms.

Author information

Author:

David S. N. Rupke:

Rhodes College Department of Physics 2000 N. Parkway Memphis, TN 38104 drupke@gmail.com

Copyright:

Copyright (C) 2013 David S. N. Rupke

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License or any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

History:

ChangeHistory:

2009, DSNR, copied base code from Harus Jabran Zahid 2010apr13, DSNR, added exponentials 2013oct, DSNR, renamed, added documentation, added reverse-ordered x^i terms 2013nov11, DSNR, renamed, added license and copyright

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Modification date: Wed Nov 13 14:19:51 2013
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