<filename>src/Core/Algorithms/Legacy/Inverse/TikhonovImpl.cc
/*
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   Copyright (c) 2015 Scientific Computing and Imaging Institute,
   University of Utah.


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//    File       : TikhonovImpl.cc
//    Author     : <NAME>
//    Date       : September 06th, 2017 (last update)

#include <Core/Algorithms/Legacy/Inverse/TikhonovImpl.h>


	// default lambda step. Can ve overriden if necessary (see TSVD as reference)
	std::vector<double> SCIRun::Core::Algorithms::Inverse::TikhonovImpl::computeLambdaArray( double lambdaMin, double lambdaMax, int nLambda ) const
	{
		std::vector<double> lambdaArray(nLambda,0.0);
		double lam_step = (log10(lambdaMax) - log10(lambdaMin)) / (nLambda-1);

		lambdaArray[0] = lambdaMin;
		for (int j = 1; j < nLambda; j++)
	    {
	        lambdaArray[j] = lambdaArray[j-1] * pow(10.0,lam_step);
		}

		return lambdaArray;
	}
