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

casi 5 años hace | 0

| aceptada

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...

alrededor de 5 años hace | 0 respuestas | 0

0

respuestas

Respondida
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; ...

más de 5 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 ...

más de 5 años hace | 3 respuestas | 0

3

respuestas

Respondida
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...

más de 5 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...

más de 5 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 ...

más de 5 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...

casi 6 años hace | 0 respuestas | 0

0

respuestas

Respondida
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...

casi 6 años hace | 0

Enviada

Fast unique random permutations
Fast random sample (without replacement) from unique permutations of an integer vector

casi 6 años hace | 1 descarga |

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...

casi 6 años hace | 0 respuestas | 0

0

respuestas

Respondida
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))...

casi 6 años hace | 0

| aceptada

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 ...

casi 6 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...

alrededor de 6 años hace | 1 respuesta | 0

1

respuesta

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 = ...

más de 6 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...

más de 6 años hace | 0

| aceptada

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...

más de 6 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...

más de 6 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>

más de 6 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: ...

más de 6 años hace | 2 respuestas | 0

2

respuestas

Respondida
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)...

más de 6 años hace | 0

| aceptada

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((...

más de 6 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...

más de 6 años hace | 1 respuesta | 0

1

respuesta

Pregunta

Again terrible problem with profiler
I am again facing to terrible profiler problem (under Matlab R2017b). I have two codes doing exactly identical computing (counti...

más de 6 años hace | 0 respuestas | 0

0

respuestas

Pregunta

Permutations Cycles Counting ... speed up
Hi, this is my code for permutation cycles counting. Any idea how to vectorize it to get some additional speedup for large set o...

más de 6 años hace | 4 respuestas | 0

4

respuestas

Pregunta

problem with symbolic expression
A have some troubles with conversion of character vector to symbolic expression under R2017a: % character vector e = '(...

casi 7 años hace | 1 respuesta | 0

1

respuesta

Pregunta

mupad command calling from matlab produce wrong results
I need to evaluate mupad command "discont" from MATLAB. In Mupad notebook the result is correct and looks like: <</matlabcen...

alrededor de 7 años hace | 1 respuesta | 0

1

respuesta

Respondida
GPU Computing MacBook Pro (Retina 15'' mid 2014) force computer to use attached Intel iris GPU, give MATLAB access to entire 2GB Nvidia 750M
Your computer has only one Cuda GPU device, not two. Intel graphics is not Cuda enabled device. So, you cannot access to Intel g...

alrededor de 7 años hace | 0

Pregunta

DSP questeion (filter design from estimated transfer function)
Is there any way how to design filter (a,b coeffs) from transfer function estimated by "tfestimate"?

alrededor de 7 años hace | 1 respuesta | 0

1

respuesta

Respondida
About plotting Pareto fontier
Pareto front is always represented by convex hypersurface. So, you can use every methods how to visualize surface in 3-D case.

más de 7 años hace | 0