Lucas García

Last seen: 2 días hace | Con actividad desde 2011

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Programming Languages:
Python, C++, C, Java, R, MATLAB, Fortran
Spoken Languages:
English, Spanish

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Respondida
DLnetwork definition and training problem with outputLayer
You should use the <https://www.mathworks.com/help/deeplearning/ref/trainnet.html trainnet> function instead of trainNetwork to ...

10 meses hace | 0

Respondida
Stateful predict block failed to evaluate mask initial commands
Hi @MUSKAN, A few questions: What version of MATLAB are you using? Can you provide more details on the network architecture? ...

10 meses hace | 0

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Respondida
Why MATLAB uses the Newton’s Gradient Descent as the solver for fitcnet?
L-BFGS is used both in in fitcnet and fitrnet. These functions ship in Statistics and Machine Learning Toolbox and allow you to ...

alrededor de 2 años hace | 0

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Respondida
Defuzzification
If you are using the Fuzzy Inference System editor, you can choose in the main GUI one of the defuzzication methods. The input f...

alrededor de 10 años hace | 0

Respondida
About random number generators
As you have found out, using |<http://www.mathworks.com/help/matlab/ref/rng.html rng>| is the way to go with the current MATLAB ...

alrededor de 11 años hace | 0

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Respondida
corrcoef - plotregression (which algorithm plotregression use)
|plotregression| actually uses the |regression| function (also from Neural Network Toolbox) to compute the R value. However,...

más de 12 años hace | 1

más de 12 años hace | 0

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Respondida
bsxfun in GPU in PCT v5.2
The link you are referring to is actually from the current release, R2012a. bsxfun support for GPUArray data is a new feature in...

casi 13 años hace | 0

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Respondida
Using uiimport and subsequent coded commands
Hi Jason, In order for your code to wait until uiimport has finished, make sure you request a return value from uiimport. ...

alrededor de 13 años hace | 0

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Respondida
Remove ObsNames from MatLab dataset
The property ObsNames may be empty. Otherwise, it should have as many strings as observations. To remove these ObsNames from a d...

alrededor de 13 años hace | 0

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Respondida
How to measure running time of a code using MATLAB
Take a look at the <http://www.mathworks.es/help/techdoc/ref/tic.html tic> and <http://www.mathworks.es/help/techdoc/ref/toc.htm...

más de 13 años hace | 5

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Respondida
Select a random number from a set
There are a few ways to do it. For example, using randi to select in which position is the card that you will extract. pos ...

más de 13 años hace | 10

Respondida
Neural Network code
Your code is basically creating a network with only one layer of neurons. With newfit this means that the network is trying to f...

más de 13 años hace | 0

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Respondida
how to find distance between two points?
You can use the <http://www.mathworks.es/help/toolbox/stats/pdist.html pdist> function in the Statistics Toolbox: e.g: distance...

más de 13 años hace | 28

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Respondida
how to separate out the lung sounds from heart sounds ?
You can use adaptfilt in the DSP toolbox for adaptive noise canceling. A "similar" <http://www.mathworks.com/products/dsp-system...

más de 13 años hace | 0

Respondida
checking of existing an string in a cell arrays
if ~any(strcmp(CELL,'a')) % Do Something else % Do Something else end

más de 13 años hace | 37

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Respondida
create vector of repeating elements (sort of)
One of many ways: >> w = 3; n = 8; >> v = repmat(1:n,w,1); >> v = v(1:end)

más de 13 años hace | 1

Respondida
Angle between two vectors in 3d
You can use the subspace function to find the angle between two subspaces: >> subspace([1;0;0],[0;1;0]) ans = 1...

más de 13 años hace | 3

Respondida
Combining vectors of day, month and year into a single date vector
dates = datenum([year,month,day]); Then you can plot your data vs. dates. Finally, use |datetick| to change the format o...

más de 13 años hace | 4

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Respondida
Error Message when using configured ANN (mismatch number of inputs)
The functions for creating networks in the toolbox will assume that if your input matrix is |n x m| it will represent |m| sample...

más de 13 años hace | 0

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Respondida
How to define the abstract symbolic of 'f=f(x,y,z)' at Matlab-Smbolic.
You can do the following: >> syms x y z; >> f = sym('f(x,y,z)'); >> g = x * f + y * f^2 + z; >> jacobian(g, [x,y,z]) ans ...

más de 13 años hace | 1

Respondida
find max of a vector between two indice
>> C = arrayfun(@(x) max(B(A(x):A(x+1))),1:length(A)-1) C = 2 9

más de 13 años hace | 0

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Respondida
Eliminate duplicate values in a row!
unique(A)

más de 13 años hace | 0

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Respondida
transposing the contents of the cell
Let |C| be your cell. You can do the following: C = cellfun(@transpose,C,'un',0);

más de 13 años hace | 2

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Respondida
spline? interp?
Do you have the curve fitting toolbox? If so, you can try using the functions |cscvn| for interpolating the spline and |fnplt|...

más de 13 años hace | 0

Respondida
Kohonen (example from help does not work)
Which release are you using? There is a known bug in R2010b and R2011a regarding newc and competlayer. <http://www.mathworks.co...

más de 13 años hace | 0

Respondida
Neural Network - Multi Step Ahead Prediction
Hi Jack, When using |narxnet|, the network performs only a one-step ahead prediction after it has been trained. Therefore, yo...

más de 13 años hace | 20

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Respondida
Converting a complex number to polar form and finding it's magnitude
r = abs(z); theta = atan2(imag(z),real(z)); Also... r = abs(z); theta = angle(z);

más de 13 años hace | 1

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Respondida
complex numbers in Symbolic Toolbox
*[Updated]* Define the symbolic variables as real and use the function |simplify| when needed: >> syms a b c d real; >> F=a...

más de 13 años hace | 2

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Respondida
how to increase iteration limit in glmfit ?
Iteration limit is set to 100 in glmfit. You cannot change it unless you edit the function and change it manually (type |edit gl...

más de 13 años hace | 0

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