function [row, col] = createFit(x, y,Nrow)
%CREATEFIT(ROW,COL)
%  Create a fit.
%
%  Data for 'untitled fit 1' fit:
%      X Input : x
%      Y Output: y
%  Output:
%      fitresult : a fit object representing the fit.
%      gof : structure with goodness-of fit info.
%
%  See also FIT, CFIT, SFIT.

%  Auto-generated by MATLAB on 26-Mar-2015 20:34:21


%% Fit: 'untitled fit 1'.
[xData, yData] = prepareCurveData( x, y );

% Set up fittype and options.
ft = fittype( 'exp1' );
opts = fitoptions( 'Method', 'NonlinearLeastSquares' );
opts.Display = 'Off';
opts.StartPoint = [mean(y) -2.91002036924086e-06];

% Fit model to data.
[fitresult, gof] = fit( xData, yData, ft, opts );
row=1:Nrow;
col= fitresult.a * (exp(fitresult.b .*row)) ;%+ fitresult.c * (exp(fitresult.d .*row));