Estadísticas
28 Preguntas
14 Respuestas
CLASIFICACIÓN
13.003
of 281.703
REPUTACIÓN
3
CONTRIBUCIONES
28 Preguntas
14 Respuestas
ACEPTACIÓN DE RESPUESTAS
42.86%
VOTOS RECIBIDOS
1
CLASIFICACIÓN
of 19.058
REPUTACIÓN
N/A
EVALUACIÓN MEDIA
0.00
CONTRIBUCIONES
0 Archivos
DESCARGAS
0
ALL TIME DESCARGAS
0
CLASIFICACIÓN
of 134.021
CONTRIBUCIONES
0 Problemas
0 Soluciones
PUNTUACIÓN
0
NÚMERO DE INSIGNIAS
0
CONTRIBUCIONES
0 Publicaciones
CONTRIBUCIONES
0 Público Canales
EVALUACIÓN MEDIA
CONTRIBUCIONES
0 Temas destacados
MEDIA DE ME GUSTA
Accept 5 answers given by other contributors
Awarded to Douglas Brenner on 20 Jul 2017
Content Feed
Matlab crashes but Octave doesn't
Give that man a cigar and thank you very much. pinv(A)*b work as I suspect doing the LU decomposition manually would.
más de 4 años hace | 0
Pregunta
Matlab crashes but Octave doesn't
The program below runs in Octave but crashes Matlab 2014. Mathworks won't help because my contract has run out. Any ideas would ...
más de 4 años hace | 3 respuestas | 0
3
respuestasPregunta
creating a vector where each element needs to be calculated before hand
Can I creat Z in a single statement which doesn't require explicit calculation of each element or should I just use a loop? Z =...
más de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Creating a matrix one row at a time
In each iteration of a loop I create a row vector Y = [1,2,3,4,5]; then I want to add the Y's to a matrix one line at a time;...
casi 5 años hace | 2 respuestas | 0
2
respuestashelp with fitlm (least squares fit)
I could try a Gaussian fit. That would work for me. Do you have an example for that? Thanks.
casi 5 años hace | 0
help with fitlm (least squares fit)
Your demo crashed it as well.
casi 5 años hace | 0
| aceptada
help with fitlm (least squares fit)
X = [1,2,3,4,5] Y = [1,5,6,4,2] yFit = polyfit(X,Y, 2) Matlab itself crashed.
casi 5 años hace | 0
Pregunta
help with fitlm (least squares fit)
I don't understand how to use fitlm if indeed that's the right function to use. I want to fit 5 sets of data to the function y ...
casi 5 años hace | 3 respuestas | 0
3
respuestasWhy would circshift stop working.
I had been transposing matrics and released this morning as I was waking that this must have been the problem. Thanks.
casi 5 años hace | 0
Pregunta
Why would circshift stop working.
There is no evidence that circshift is working. The two plots are the same whereas yesterday a clear shift in the plots can be s...
casi 5 años hace | 3 respuestas | 0
3
respuestasmatrix multiplication dimension issues
Found the answer. n is not the number of points in a spectrum but the number of spectra. Thanks for trying
casi 5 años hace | 0
matrix multiplication dimension issues
The basic science is to take two spectra and perform a 2d cross correlation resulting in a real and a complex matrix. They shoul...
casi 5 años hace | 0
Pregunta
matrix multiplication dimension issues
I have an article which I'm trying to follow. It calculates two matricies that I called synch and async. I read two files into...
casi 5 años hace | 3 respuestas | 0
3
respuestasPregunta
Replacing for loops with matrix math.
How can I simplify this code. I.e remove the loops and replace them with matrix math. for i=1:3 for j = i:num_pts - ...
casi 5 años hace | 1 respuesta | 0
1
respuestaPregunta
Getting off diagonals after calculating a correlation matrix
The code below gives the first off diagonals of the correlation computation in line 6. How do I get the others? testm1 = [1...
casi 5 años hace | 0 respuestas | 0
0
respuestasreducing number of operations in matrix multiplication
Clearly but that was the suggested solution. Trying for i=1:2 diags1{i} = testm(i+1:num_pts-i-1 ,2).*testm(1:num_pts-i-1,2...
casi 5 años hace | 0
reducing number of operations in matrix multiplication
testm = [1,2,3,4,5;2,4,5,7,10] num_pts = 5; testm = transpose(testm) corr = testm(:,2)*testm(:,2)' diag(...
casi 5 años hace | 0
Pregunta
reducing number of operations in matrix multiplication
I want to perform the follow operation: synch = spect1(1:num_pts ,2)*spect2(1:num_pts,2)'; The problem is that num_pts > 300,0...
casi 5 años hace | 2 respuestas | 0
2
respuestasPregunta
I want to do a least squares fit to the values around a matrix diagonal including the diagonal itself.
Suggestions?
casi 5 años hace | 1 respuesta | 0
1
respuestaPregunta
Why does this loops produce a matrix?
code waves = [393.029, 414.386, 427.176, 516.748, 526.953, 640.000]; l = length(waves); for i = 1:l L = wave...
casi 5 años hace | 1 respuesta | 0
1
respuestadimension error with * operator
The paper from which I got the code uses * and that works in this line: synch = C1(:)*C1(:)'/(delta-2). Not only do I not get ...
casi 5 años hace | 0
Pregunta
dimension error with * operator
This line of code: asynch = C1(:)*N(:)*C(:)'/(delta-2) throws an error: Error using * Inner matrix dimensions must agree. Th...
casi 5 años hace | 3 respuestas | 0
3
respuestaserror trying to run xcorr2.
This is the error: Cell contents reference from a non-cell array object. Error in cell2mat (line 42) But if I try a different...
alrededor de 5 años hace | 0
Pregunta
error trying to run xcorr2.
This is my code D1 = cell2mat(data1{2}); %D1 and D2 are 1x3 cells of doubles D2 = cell2mat(data2{2}); c = xcorr2(D1,D2); It ...
alrededor de 5 años hace | 1 respuesta | 0
1
respuestaGetting non-existent pixel values
Didn't work Index exceeds matrix dimensions. Error in stddev (line 51) greenChannel = b(:, :, 2); Is there a green pla...
casi 7 años hace | 0
Pregunta
Getting non-existent pixel values
After the following code, an image is displayed. It is black, white and red. However, if I use hpimpixelinfo(2) on the image I ...
casi 7 años hace | 2 respuestas | 0
2
respuestasPregunta
image processing algorithm for filling
I am going to try but in the meantime if anybody wants to help ... I have a 2-D image in black, white and red. Going across e...
casi 7 años hace | 0 respuestas | 0
0
respuestasPregunta
using greythresh and im2bw
Figure 1 is great but BW is all black. Thoughts? Thanks figure (1) scaled = 255 * width/MAX; imshow(uint8(scal...
casi 7 años hace | 1 respuesta | 0
1
respuestaPregunta
What does this error for hist mean?
Attempt to execute SCRIPT hist as a function: /Users/douglasbrenner/Documents/MATLAB/hist.m Error in extractedge (line 3...
casi 7 años hace | 2 respuestas | 0
2
respuestas
También puede seleccionar uno de estos países/idiomas:
América
- América Latina (Español)
- Canada (English)
- United States (English)
Europa
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
Asia-Pacífico
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)