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Non symmetricity of matrix supposed to be.
Consider A,B symmetric matrices (in practice they are 112x112). I want to calculate C=A^-1(B)A^(-1) numerically. I guess t...
etwa 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Is it better to trick Matlab into doing constrained optimisation.
Assume that I want to do some constrained optimisation. I am using fmincon with the SQP algorithm, but I am hoping to get intuit...
mehr als 10 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Gauss hypergeometric 2F1 function for complex argument.
I have wound myself up in the situation of having to evaluate the Gauss hypergeometric 2F1 function for complex argument (i beli...
mehr als 10 Jahre vor | 0 Antworten | 0
0
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Simplify expression with exponential function.
Consider the following minimal example: syms x simplify(x/exp(1)) This returns (1125899906842624*x)/306051325743...
mehr als 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Numerical symbolic differentiation and evaluate at 0.
I am trying to do numerical symbolic differentiation of the kappa function below after which I want to evaluate at 0 and simplif...
mehr als 10 Jahre vor | 0 Antworten | 0
0
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About Inverse Gaussian random variable generation
I am looking for a way of generating Inverse Gaussian random variables, I know there are relatively simple algorithms using rand...
mehr als 10 Jahre vor | 0 Antworten | 0
0
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Is numeric gradient estimation well-posed
Dear matlabcentral, I'm working on my thesis in mathematical finance. As a small part of it I am to numerically find a gradie...
mehr als 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Expand vector along third dimension
My question is simply, but I cannot figure out how to do it. Assume I have a vector K=[K_1,..,K_n] then I would like to creat...
fast 11 Jahre vor | 2 Antworten | 1
2
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Multiple function calls requiring vectorised expressions.
This is an example of a problem which arose for me today. I found an ugly workaround in my specific case, but I would like to kn...
etwa 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Is the rank function reliable?
In doing econometrics i need to check if a spicy numerically determined matrix has full rank. Is it reliable to just evaluate...
mehr als 11 Jahre vor | 2 Antworten | 3
2
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Find positive solutions to underdetermined linear system of equations
I'm a bit new to matlab so sorry if this is too simple, in particular i'm new to this forum so I apologise if I did something wr...
mehr als 12 Jahre vor | 1 Antwort | 0
