No BSD License
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P=findpeaks(x,y,SlopeThreshol...
Function to locate the positive peaks in a noisy x-y data
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P=findpeaks(x,y,SlopeThreshol...
Function to locate the positive peaks in a noisy x-y data
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P=findpeakslidersRedraw(x,y,S...
Redraws graph for FindPeakSliders when slider are moved.
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P=ipf(x,y)
Interactive Peek Find function, P=ipf(x,y,WidthPoints),
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RTSA6100__Plot_Spectrum
% 2007 Tektronix RTSA Demo program
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[index,closestval]=val2ind(x,...
Returns the index and the value of the element of vector x that is closest to val
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d=deriv(a)
First derivative of vector using 2-point central difference.
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d=secderiv(a)
Second derivative of vector using 3-point central difference.
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exp(-((x-pos)./(0.6006.*wid))...
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findpeakslider1(n,h)
Changes SlopeThreshold when the SlopeThreshold slider is moved.
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findpeakslider2(n,h)
Changes AmpThreshold when the AmpThreshold slider is moved.
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findpeakslider3(n,h)
Changes FitWidth when the FitWidth slider is moved.
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findpeakslider4(n,h)
Changes SmoothWidth when the SmoothWidth slider is moved.
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findpeakslider5(n,h)
Changes PeakNumber when the Peak slider is moved.
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findpeakslider6(n,h)
Called when the BG slider is clicked.
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lorentzian(x,position,width)
...
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rtslid(fig,f,hh,varargin)
RTSLID Slider widget that responds to dragging realtime
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smoothwidth. Works well with ...
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sy=condense(y,n)
Condense y by a factor of n, where n is a non-zero positive integer.
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DemoFindPeak.m
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DemoFindPeakSliders.m
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DemoFindPeakSliders2.m
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DemoFindPeakSlidersG.m
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FindPeakSliders.m
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FindPeakSlidersG.m
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RedrawPeak.m
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View all files
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| findpeakslider6(n,h)
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function findpeakslider6(n,h)
% Called when the BG slider is clicked.
global x
global y
global SlopeThreshold
global AmpThreshold
global SmoothWidth
global FitWidth
global P
global PeakNumber
warning off MATLAB:divideByZero
BaselinePoints=5; % Change as you wish
% Acquire background points from user mouse clicks
title(['Click on ' num2str(BaselinePoints) ' points on the baseline between the peaks.'])
X=[];Y=[];
for g=1:BaselinePoints;
[clickX,clickY] = GINPUT(1);
X(g)=clickX;
Y(g)=clickY;
xlabel(['Baseline point ' num2str(g) ])
end
yy=y;
for k=1:length(X)-1,
fp=val2ind(x,X(k));
lp=val2ind(x,X(k+1));
yy(fp:lp)=y(fp:lp)-((Y(k+1)-Y(k))/(X(k+1)-X(k))*(x(fp:lp)-X(k))+Y(k));
end
y=yy;
if PeakNumber==0,
P=findpeakslidersRedraw(x,y,SlopeThreshold,AmpThreshold,SmoothWidth,FitWidth);
else
RedrawPeak
end
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