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Jeff Ack


University of North Carolina Chapel Hill

Last seen: fast 4 Jahre vor Aktiv seit 2015

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Why does it take so long to run a function?
I'm using a user-created function in my code that I have to evaluate a lot of times. The function is running relatively slow. ...

etwa 5 Jahre vor | 1 Antwort | 0

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Pass variables during minimization routine
How should I go about nesting the functions? Is the outer function the one that gets minimized or the inside one? I'm thinking...

mehr als 7 Jahre vor | 0

Frage


Speed up indexing / Repmat operation
I have to following code I'm running: M=zeros(r,c); M (:,I)=repmat(Q,1,sum(I)); end I is a 1-by-c logical vector a...

mehr als 7 Jahre vor | 2 Antworten | 0

2

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Frage


Pass variables during minimization routine
Here's what I'm trying to do - Create a function that I wish to minimize. - Set an initial value of fbest=10000000 (or ...

mehr als 7 Jahre vor | 2 Antworten | 0

2

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Frage


Automate the opening of .mat files and the aggregation of opened matricies
I wasn't sure how to title this question. It's pretty easy to describe what I'm trying to do, though: I have 100 .mat files,...

fast 8 Jahre vor | 2 Antworten | 0

2

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Frage


Create a MATLAB program that creates other programs?
Hi there, I would like to create 100 MATLAB programs that are identical except for one line of code. My reason for doing...

fast 8 Jahre vor | 1 Antwort | 0

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Frage


Combine (by adding) rows with the same entry in one of the columns
I think that might be a terrible title for a fairly straightforward problem: I have sales data by zip code: 44202 35 ...

fast 8 Jahre vor | 1 Antwort | 0

1

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Frage


Solve showing more equations than I entered
I am attempting to solve a system of 3 equations. The equations contain 3 variables I am trying to solve for plus 2 parameters....

fast 9 Jahre vor | 1 Antwort | 0

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