Estadística
85 Preguntas
15.244 Respuestas
52 Archivos
Cody0 Problemas
85 Soluciones
CLASIFICACIÓN
4
of 302.041
REPUTACIÓN
41.577
CONTRIBUCIONES
85 Preguntas
15.244 Respuestas
ACEPTACIÓN DE RESPUESTAS
78.82%
VOTOS RECIBIDOS
9.770
CLASIFICACIÓN
69 of 21.511
REPUTACIÓN
13.298
EVALUACIÓN MEDIA
4.80
CONTRIBUCIONES
52 Archivos
DESCARGAS
103
ALL TIME DESCARGAS
118906
CLASIFICACIÓN
8.999
of 178.376
CONTRIBUCIONES
0 Problemas
85 Soluciones
PUNTUACIÓN
871
NÚMERO DE INSIGNIAS
3
CONTRIBUCIONES
0 Publicaciones
CONTRIBUCIONES
0 Público Canales
EVALUACIÓN MEDIA
CONTRIBUCIONES
5 Temas destacados
MEDIA DE ME GUSTA
6
Feeds
Discussion
Where have all the questions gone?
I've left Matlab Answers in spring 2023. At this time the forum was full of interesting programming questions, e.g about optimiz...
21 días hace | 0
every restart of Matlab path is lost
To localize the folder of pathdef.m see: which pathdef -all Usually pathdef is found in <matlabroot>\toolbox\local\ . But if a...
2 meses hace | 0
error from Interpolation of the attached data
This seems to be a job for https://www.mathworks.com/matlabcentral/fileexchange/16098-uniquify . Then: load('data.mat'); figu...
3 meses hace | 0
FIND THE INVERSE MATRIX OF A
Only 1 c) has a relation to Matlab. You can solve this by: inv([1, -1, 5; 3, 9, 7; -2, 1, 0]) The verification in 2 b) is pe...
3 meses hace | 0
Count number of true statements in a sequence until false, then check for the next true and repeat
If this is time-critical, see: https://www.mathworks.com/matlabcentral/fileexchange/41813-runlength x = logical([0,0,0,0,0,0,1,...
3 meses hace | 0
check if a file exists
Starting in R2017b, you can use the "isfile" function to check if a file exists. For example: if isfile(filename) % File ex...
3 meses hace | 64
| aceptada
Why does backslash behave differently when transposition is used in-line?
The already given answers explain the effect alreayd. A summary: Why does backslash behave differently when transposition is us...
4 meses hace | 1
Pregunta
How to find a function in the path - securely?
What is a safe method to check, where a specific function exists in Matlab's path? It should not matter, if the function is an M...
4 meses hace | 2 respuestas | 1
2
respuestasPregunta
Effects of adding folders in -FROZEN mode
When folders are added by addpath('-frozen'), the time stamps of the M-files are not checked. This should improve the speed, esp...
4 meses hace | 0 respuestas | 1
0
respuestas
Pleae i can solve this error broblem
Inside the code line 48 you find this part: a*s*h(a4+a1)*dt*dE % ^ here There is a missing operator after the variable h. ...
6 meses hace | 1
Loss of precision in wave equations
The sum is numerically instable. So your observation is expected. Beside the symbolic toolbox oder a toolbox for arbitrary pres...
6 meses hace | 0
Why does pcolor not display the full matrix?
c = [1, 2, 3; 4, 5, 6; 7, 8, 9]; x = [1, 2, 4]; y = [1, 3, 4]; H = pcolor(x, y, c); Fine. PCOLOR does exactly, what it is wa...
6 meses hace | 0
I want to smooth curve matlab
Exporting a diagram as EPS or PDF creates a vector image, which is sharp even if you magnify it. You might want to use a famous...
6 meses hace | 0
Cell conversion to double
To convert a cell array of character vectors to numbers, you can use the |str2double| function. This function is the simplest me...
más de 1 año hace | 36
| aceptada
Pregunta
How to write ASCII to byte file?
In MATLB versions until R2021a I could write ASCII values stored in a CHAR array into a string as unsigned char by: data = char...
casi 2 años hace | 3 respuestas | 2
3
respuestasEnviada
WinPower
Shutdown, sleep, hibernate etc. of Windows computers
casi 3 años hace | 903 descargas |
Trying to ammend pathdef.m using the Set Path button on the Home bar.
If you want to modify the pathdef.m file for all users of the computer, start Matlab with admin or root privileges. Then overwri...
casi 3 años hace | 0
need a script to rename and resort TIF files
Folder = 'C:\Users\Desktop\New folder\'; Files = dir(fullfile(Folder, '*.tif')); Keys = {'A', 'B'}; [~, name] = filepart...
casi 3 años hace | 0
| aceptada
How to inclusively extract rows of a large cell array between cells given start and end patterns?
Why do you want to avoid loops? Reading the file completely to apply vectorized methods requires 8 GB of contiguous free RAM for...
casi 3 años hace | 1
Find index of cells containing my string
Do you want to search for 'bla' within the text in each element of the cell array, or for elements that are 'bla' exactly? If yo...
casi 3 años hace | 119
| aceptada
Can I generalize a folder lookup location so that data can be accessed in more than one way?
The core of the problem is a messed up storage of files in a bunch of folders. Collecting the files in one shared folder would b...
alrededor de 3 años hace | 0
How do I close parallel button?
You can try: FEX: CmdWinTool CmdWinTool lean
alrededor de 3 años hace | 2
How can I select two out of 6 points for every page without loops?
n = 2; X = randi(40, 6, 3, n) mask = all(X >= 0 & X <= 30, 2) Y = reshape(X(cat(2, mask, mask, mask)), [], 3)
alrededor de 3 años hace | 0
| aceptada
using feval or not?
I do not see problems with using feval. There have been a speed penalty in old versions, as far as I remember R2009a. But now t...
alrededor de 3 años hace | 0
| aceptada
save matrix command works sometimes and sometimes gives error
Avoid strcat to create a folder name, but use fullfile, which cares for the correct separators. A try/catch block is the way to...
alrededor de 3 años hace | 0
Integration time step in ODE45 Matlab
The output time interval is the integration interval, so you can grab it e.g. in the outputfcn.
alrededor de 3 años hace | 0
Warning: Single line Edit Controls can not have multi-line text
res is a numerical array. You cannot insert it as string in handles.edit5. Display an image in an axes as image object.
alrededor de 3 años hace | 0
Why Euler's number e = 2.71828... is not a built-in constant in MATLAB?
What an epic discussion. Some levels less sophisticated: I needed exp(1) in a line of code called very frequently. exp() is an ...
alrededor de 3 años hace | 0
How to produce 1 and -1 in MATLAB
Exactly 50% or randomly? x = randi([0, 1], 1, 2000) * 2 - 1; y = [ones(1, 1000), -ones(1, 1000)]; y = y(randperm(y));
alrededor de 3 años hace | 1
