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function [mu, aecmStructNew] = calcStepSize(energy, dE, aecmStruct, t, logscale)
if (nargin < 4)
t = 1;
logscale = 1;
elseif (nargin == 4)
logscale = 1;
end
T = aecmStruct.convLength;
if logscale
currentMuMax = aecmStruct.MU_MIN + (aecmStruct.MU_MAX-aecmStruct.MU_MIN)*min(t,T)/T;
if (aecmStruct.energyMin >= aecmStruct.energyMax)
mu = aecmStruct.MU_MIN;
else
mu = (energy - aecmStruct.energyMin)/(aecmStruct.energyMax - aecmStruct.energyMin)*(currentMuMax-aecmStruct.MU_MIN) + aecmStruct.MU_MIN;
end
mu = 2^mu;
if (energy < aecmStruct.energyLevel)
mu = 0;
end
else
muMin = 0;
muMax = 0.5;
currentMuMax = muMin + (muMax-muMin)*min(t,T)/T;
if (aecmStruct.energyMin >= aecmStruct.energyMax)
mu = muMin;
else
mu = (energy - aecmStruct.energyMin)/(aecmStruct.energyMax - aecmStruct.energyMin)*(currentMuMax-muMin) + muMin;
end
end
dE2 = 1;
dEOffset = -0.5;
offBoost = 5;
if (mu > 0)
if (abs(dE-aecmStruct.ENERGY_DEV_OFFSET) > aecmStruct.ENERGY_DEV_TOL)
aecmStruct.muStruct.countInInterval = 0;
else
aecmStruct.muStruct.countInInterval = aecmStruct.muStruct.countInInterval + 1;
end
if (dE < aecmStruct.ENERGY_DEV_OFFSET - aecmStruct.ENERGY_DEV_TOL)
aecmStruct.muStruct.countOutLowInterval = aecmStruct.muStruct.countOutLowInterval + 1;
else
aecmStruct.muStruct.countOutLowInterval = 0;
end
if (dE > aecmStruct.ENERGY_DEV_OFFSET + aecmStruct.ENERGY_DEV_TOL)
aecmStruct.muStruct.countOutHighInterval = aecmStruct.muStruct.countOutHighInterval + 1;
else
aecmStruct.muStruct.countOutHighInterval = 0;
end
end
muVar = 2^min(-3,5/50*aecmStruct.muStruct.countInInterval-3);
muOff = 2^max(offBoost,min(0,offBoost*(aecmStruct.muStruct.countOutLowInterval-aecmStruct.muStruct.minOutLowInterval)/(aecmStruct.muStruct.maxOutLowInterval-aecmStruct.muStruct.minOutLowInterval)));
muLow = 1/64;
muVar = 1;
if (t < 2*T)
muDT = 1;
muVar = 1;
mdEVec = 0;
numCross = 0;
else
muDT = min(1,max(muLow,1-(1-muLow)*(dE-aecmStruct.ENERGY_DEV_OFFSET)/aecmStruct.ENERGY_DEV_TOL));
dEVec = aecmStruct.enerNear(t-63:t)-aecmStruct.enerEcho(t-63:t);
%dEVec = aecmStruct.enerNear(t-20:t)-aecmStruct.enerEcho(t-20:t);
numCross = 0;
currentState = 0;
for ii=1:64
if (currentState == 0)
currentState = (dEVec(ii) > dE2) - (dEVec(ii) < -2);
elseif ((currentState == 1) & (dEVec(ii) < -2))
numCross = numCross + 1;
currentState = -1;
elseif ((currentState == -1) & (dEVec(ii) > dE2))
numCross = numCross + 1;
currentState = 1;
end
end
%logicDEVec = (dEVec > dE2) - (dEVec < -2);
%numCross = sum(abs(diff(logicDEVec)));
%mdEVec = mean(abs(dEVec-dEOffset));
%mdEVec = mean(abs(dEVec-mean(dEVec)));
%mdEVec = max(dEVec)-min(dEVec);
%if (mdEVec > 4)%1.5)
% muVar = 0;
%end
muVar = 2^(-floor(numCross/2));
muVar = 2^(-numCross);
end
%muVar = 1;
% if (eStd > (dE2-dEOffset))
% muVar = 1/8;
% else
% muVar = 1;
% end
%mu = mu*muDT*muVar*muOff;
mu = mu*muDT*muVar;
mu = min(mu,0.25);
aecmStructNew = aecmStruct;
%aecmStructNew.varMean = mdEVec;
aecmStructNew.varMean = numCross;
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