Respondida
Randomly sorting rows while keeping column relationships the same
Apermrows = A(randperm(size(A,1)),:)

alrededor de 6 años hace | 4

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running functions in multiple instances
You need to run three function on two matlab instances simultaneously? If yes, so open two separate instances of Matlab and run...

alrededor de 6 años hace | 1

Respondida
Does Matlab support GTX 1660 graphics card?
Definitely yes!!! Did you install the proper nvidia driver on your system?

alrededor de 6 años hace | 0

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Pregunta

ranking of vector with non-unique elements
I need to perform fast ranking of the vector with non-unique elements, like in the following example: F = [10.1 31.0 20.5 20.5 ...

alrededor de 6 años hace | 1 respuesta | 0

1

respuesta

Pregunta

vector of integers modification
I have vector of positive integers which I need to modify into vector of consecutive integers with the same ordering. Example: ...

alrededor de 6 años hace | 1 respuesta | 0

1

respuesta

Pregunta

vectorised code is terribly slower
Why is the vectorized version of simple local maxima detection code significantly slower (~2-3 times) than its for-loop version?...

alrededor de 6 años hace | 0 respuestas | 0

0

respuestas

Pregunta

ischange in stream or moving window regime
I would like to compute change points (or linearlly segmented signal) from input data stream via moving window. Is there any eff...

alrededor de 6 años hace | 0 respuestas | 1

0

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Respondida
Is I5 9400f processor is sufficient for deep learning, performing models,Monte Carlo simulation and other heavy works on Matlab
All MC methods are in general extremely CPU consuming. So, soon or later you always reach limits of your computer. From this poi...

alrededor de 6 años hace | 1

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Replace elements in binary matrix
% B original binary matrix % B_ new binary matrix B_ = ~B;

más de 6 años hace | 0

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Pregunta

specific assignments of vector items
I am looking for suitable algorithm to solve the following problem: For vector v (Nx1, double, single) I need to find assigment...

más de 6 años hace | 0 respuestas | 0

0

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elimination of conscutive regions (generalization: ones with zeros between)
I am still looking for better (faster) solution. Any idea how to improve so far best solution: A = [1 -1 0; ...

alrededor de 7 años hace | 1

Pregunta

elimination of conscutive regions (generalization: ones with zeros between)
I need effectively eliminate (by zeroing) the consecutive "1's" between "-1's" and start/end of column at each column of matrix ...

alrededor de 7 años hace | 3 respuestas | 0

3

respuestas

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elimination of consecutive regions
good idea (only 1D) is <https://www.mathworks.com/matlabcentral/answers/293926-how-do-i-find-4-or-more-consecutive-zeros-and-rep...

alrededor de 7 años hace | 0

Pregunta

elimination of consecutive regions
I need to effectively eliminate consecutive regions in vector "a" or better in rows/columns of matrix "A" with length of separat...

alrededor de 7 años hace | 3 respuestas | 0

3

respuestas

Pregunta

how to robustly estimate low and up envelope of signal with trend, few level constant steps and noise
I am looking for robust estimation method of low and up envelope of the signal consisting from smooth trend component, constant ...

alrededor de 7 años hace | 1 respuesta | 0

1

respuesta

Pregunta

different speed of ODE benchmark with and without MATLAB gui
When I ran matlab benchmark on Linux at MATLAB GUI and at MATLAB command line (without gui) I get the different speed of ODE ben...

más de 7 años hace | 0 respuestas | 0

0

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Incompatible gcc version with mex
Frankly speaking I do not understand why TMW choose the "compatible" compiler version on Linux so terribly. On many distribution...

más de 7 años hace | 0

Pregunta

add limit lines to the gplotmatrix figure
How to add to each subplot of gplotmatrix figure (gplotmatrix(x,[],group)) four separate lines corresponding to the two limits v...

más de 7 años hace | 0 respuestas | 0

0

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find indices of row subsets
So far best solution: function ind = item2ind_new(item,t) t = t(:); [m,n] = size(item); mct = max(accumarray(t,1))...

más de 7 años hace | 0

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Pregunta

find indices of row subsets
I am trying to find vectorized matlab function ind = item2ind(item,t) to solve following problem: I have a list of row vectors ...

más de 7 años hace | 3 respuestas | 0

3

respuestas

Pregunta

speedup dsearchn for large data set
I am looking for significant speed up of dsearchn function in a case of large input data k = dsearchn(X,XI) where is no...

más de 7 años hace | 1 respuesta | 0

1

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Respondida
How can i find the equation of a fitted curve line in the curve fitting tool?
Your problem is already solved. When you are able to plot regression line you must know parameters k and q of line equation y = ...

casi 8 años hace | 0

Respondida
integer strings decoding ... speed optimization
Probably fastest and simplest solution, I found so far ... using latest new Matlab (>= R2016b) features, see function insertBefo...

casi 8 años hace | 0

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Respondida
How to find water vapour density for gaspl
Just try simple googling with the following keywords: water, wapour, density, table I hope you smart enough to find something...

casi 8 años hace | 0

Respondida
Error in implemented function
The double precision (default numerical values class in Matlab) is not enough for this kind of computation!!! You need to use s...

casi 8 años hace | 2

| aceptada

Respondida
Function calculates wrong value
See ma answer here: <https://www.mathworks.com/matlabcentral/answers/366977-error-in-implemented-function link>

casi 8 años hace | 0

| aceptada

Pregunta

integer strings decoding ... speed optimization
I have the following problem: I need decode integer sequences "c" to char string messages "m" by following association: ...

casi 8 años hace | 2 respuestas | 0

2

respuestas

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how to create symbolic function?
function Z=symZ(N,Thetas,Ndigit) Thetas = sym(Thetas); Zsym = prod((1 - exp(-(N:-1:2).*Thetas))./(1 - exp(-Thetas)),2)...

casi 8 años hace | 0

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Pregunta

how to create symbolic function?
I need to transform the following function to the symbolic form to evaluate it with arbitrary precision. Z(N,Thetas) = prod((...

casi 8 años hace | 2 respuestas | 0

2

respuestas

Pregunta

Permutations Inversions Counting ... speed up
Hi, this is my code for permutation inversions counting. Any idea how to optimize it to get some additional speedup for large se...

alrededor de 8 años hace | 1 respuesta | 0

1

respuesta