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Robert

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University of Michigan

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02 Jul 2014 fanDTasia ToolBox A library for DW-MRI Processing, DTI & DKI Estimation, Higher-Order Tensor analysis & Visualization. Author: Angelos Barmpoutis

Hi Angelos,

I've started playing with your toolbox and slowly getting the hang of out. I did find some ways to speed up the demos by pre-allocating memory.

Prior to the big loops for x,y, and z I added:

Dapp = zeros(32,size(S,1),size(S,2),size(S,3));
Kapp = zeros(32,size(S,1),size(S,2),size(S,3));

DKI_D= zeros(6,size(S,1),size(S,2),size(S,3));
DKI_W= zeros(15,size(S,1),size(S,2),size(S,3));

And then prior to the other loops for x, y, and z, I modified it to be:

if stdv > 0
all_err = zeros(numel(err),1);
end

all_Kapp = zeros(numel(Kapp),1);
all_Dapp = zeros(numel(Dapp),1);

counter=0;
meanD=zeros(6,1);
meanW=zeros(15,1);
for x=1:size(S,1)
for y=1:size(S,2)
for z=1:size(S,3)
counter=counter+1;
if stdv>0
all_err((counter-1)*size(err,1)+1:counter*size(err,1))= err(:,x,y,z);
end
all_Dapp((counter-1)*size(Dapp,1)+1:counter*size(Dapp,1))= Dapp(:,x,y,z);
all_Kapp((counter-1)*size(Kapp,1)+1:counter*size(Kapp,1))= Kapp(:,x,y,z);
meanD=meanD+DKI_D(:,x,y,z);
meanW=meanW+DKI_W(:,x,y,z);
end
end
end

06 Feb 2013 MyRegression A simple function on LS linear regression with many informative outputs Author: Giuseppe Cardillo

In the code you have a line where it tries to automatically download dependent software. That is a a super bad design and really puts a bad taste in ones mouth for your package. You should just tell people they need to download powerStudent and indicate the dependency.

29 Feb 2012 Apply djkstra algorithm to trace contour trace single object's contour via the classic shortest path algorithm Author: Su Dongcai

Having compilation issues on MAC OS X Lion with R2011b and Xcode 4.3.

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