John Billingham
University of Nottingham
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Question
Why does fmincon using the sqp algorithm need a full matrix to specify linear constraints?
I need to specify that some of the variables in my optimization need to be ordered, so v_i-v_(i+1)<0 for i = N_1 to N_2. This ...
environ 3 ans il y a | 2 réponses | 1
2
réponsesQuestion
Spline with clamped end conditions using griddedInterpolant
I can create a piecewise polynomial spline with clamped end conditions from vectors x and y using pp = spline(x,[dy1 y dy2]) ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
How can I clear persistent variables from a function using only its handle?
For example, say I have a simple function, _test1_, function test1 = test1(x,y) persistent k if isempty(k), k = sum(y); e...
plus de 8 ans il y a | 2 réponses | 0
2
réponsesQuestion
How can I create an ordinary floating point function from a symbolic array
If I have some code that generates a symbolic array, I'd like to be able to turn it into a function that takes floating point in...
plus de 8 ans il y a | 1 réponse | 0
1
réponseA résolu
The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
plus de 10 ans il y a
Question
How can I use zlib in a C mex file and use gz compression?
I need to use zlib to do gz compression within a C mex file. Something like #include < zlib.h > gzFile fi = gzopen(f...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How can I convert individual guis into a single tabbed gui?
I have a gui that pops up another gui when a button is pressed. I'd like to convert this into a single gui with two tabs. Can an...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Is it impossible to use OpenMP in mex files with the only free C++ compiler that's compatible with MATLAB (Microsoft SDK 7.1)?
Really?
environ 11 ans il y a | 1 réponse | 1
1
réponseQuestion
Accessing a cell array of cell arrays in a C++ mex file
I'm writing a large code that requires me to use a cell array of cell arrays of single precision real matrices. This may seem od...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Problem with simplify(x^(1/log(x)).
>> sym x; >> assume(x>0) >> simplify(x^(1/log(x)),'IgnoreAnalyticConstraints',true) >> ans = x^(1/log(x)) Note that x^(1/...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Struggling to distribute a cell array across several parallel workers
I have some code, part of which a structure of the form below. for a = 1:A for b = 1:B for c = 1:C f...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Finding parfor baffling: Can anybody explain to me why this little bit of code works with for,but not with parfor?
function B = partest A = 1:4; B = zeros(1,4); parfor j=1:2 B([j j+2]) = A([j+2 j]); end The...
plus de 11 ans il y a | 2 réponses | 2
