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Feeds
logical operation on a varable x
Is this what you are looking for? for j = 1:20 if j==1 || j==20, continue; end your_code_goes_here end This...
alrededor de 9 años hace | 0
How to plot 4D graph ?
You can use scatter3. To that end, you can create a matrix containing in each row the coordinates of each point and the value of...
alrededor de 9 años hace | 0
Plotting 4D with 3 vectors and 1 matrix
You could use "patch" since the surface will hide the interior points. You can create a matrix containing the coordinates of eac...
alrededor de 9 años hace | 0
Simultaneously inverting many matrices
In my experience, using cells is rather slow. Since your matrices are 2x2, then you could simple arrange them in a 3D array, wit...
alrededor de 9 años hace | 1
How to solve system of nonlinear equations (A-x1)*x2=B?
Notice that (A-x)*y=B (I changed the names of the variables for simplicity) can be written component-wise as (Ai-xi)*yj = Bij, w...
alrededor de 9 años hace | 0
How can I calculate very large matrix and store the values?
I guess one option would be to reduce the size of your data using clustering such as K-means or Gaussian mixtures, and replace a...
más de 9 años hace | 0
int8(3) vs int(3)
At least in Matlab 2015, the function "int" is related to filters (in the filtstates package) or integration (in the symbolic pa...
más de 9 años hace | 2
| aceptada
Unexpected phase displacement in FFT of a pure sinewave.
Hi Alberto, I think your problem is due to your choice of t. Suppose that your frequency is 50Hz. If you choose t=0:.00...
más de 9 años hace | 0
| aceptada
Enviada
zoom_wheel(hfig,options)
Zoom in and out using the wheel in a rather practical manner
más de 9 años hace | 1 descarga |
how can I draw a line knowing just the midpoint and the angle?
You can do this midpoint=[a,b]; % This defines the midpoint. You should give a and b some value. lineangle=c; % This defines...
más de 9 años hace | 0
| aceptada
Solving an Equation using Newton-Raphson Method
Are the functions polynomials as the example you mentioned? If they are, assume that the order of the polynomial is N (in you...
más de 9 años hace | 0
How to impove the performence of this code?
As far as I can see, there is a problem in the code. Wheneven the condition strcmp(alldata(i,1),alldatafel(j,1)) && strcmp(...
más de 9 años hace | 1
plot two figures with same colorscale
If I understood correctly, you want the colour to vary according to the value of "z". But the problem is that plot3 takes only o...
más de 9 años hace | 0
How do I write a function with multiple out puts and inputs with varying times?
The problem is in the equation. The constant for the charge of the capacitor is R*C. Therefore, instead of writing Vc = V*(1-...
más de 9 años hace | 0
| aceptada
How to change the color of a specific sub-bar in a 2-D bar graph
You can do that by plotting each bar separately. For example, suppose that data is a matrix of 31 x 3 and that the colors for th...
alrededor de 10 años hace | 1
| aceptada
Taking the mean of rows in a structure array
You can do the following: nmfinal=mean(cell2mat(squeeze(struct2cell(nm.data))'))'; You might need to take some precautio...
alrededor de 10 años hace | 0
How to check if a 3d matrix has any 2D submatrix with non zero elements?
You can just do [any(any(a(:,:,1)>0)),any(any(a(:,:,2)>0))] or just shorter nonzero2D=@(a,k)any(any(a(:,:,k)>0)) ...
alrededor de 10 años hace | 0
Extracting data from lines in a plot
Just in case, you could also provide a contextual menu by doing the following hmenu=uicontextmenu; uimenu(hmenu,'Label','M...
alrededor de 10 años hace | 0
Extracting data from lines in a plot
Have you tried using the command text()? Suppose that the tip of one of the lines is in (a,b). Then you can just do text(a,b...
alrededor de 10 años hace | 0
How to compare two signal
The comparison can be done in several different ways. Suppose that X is the original signal and that XR is its reconstruction. Y...
alrededor de 10 años hace | 1
| aceptada
Plot a 3d-plane in MATLAB??
This solution is based on patch y=-2:.01:2; z=4-y.^2; numy=length(y); % Constructing the vertices V=zeros(numy,3)...
alrededor de 10 años hace | 0
| aceptada
Making a Square Wave Gradually
Each section is being played for one second because you are setting that in the line y(1 + timeDomain + (((k+1)/2)-1)*fs) = ...
alrededor de 10 años hace | 0
| aceptada
multi-variable looping problem
for a=1000:100:20000 ia=floor(a/100)-9; for b=100:10:200 ib=floor(b/10)-9; for c=.2:.01:.3 ic...
alrededor de 10 años hace | 0
| aceptada
How to find inverse of a self written function?
You can do the following sqrtllrh=fminsearch(@(sqrtllr)(cdf_func(sqrtllr.^)-h)^2,1); llrh=sqrtllrh^2; The explanation...
alrededor de 10 años hace | 0
Create plot with orthonormal axis
Maybe you can solve this by setting the axes property 'DataAspectRatio' to a specific value. For example: set(gca,'DataAspe...
alrededor de 10 años hace | 1
| aceptada
Enviada
3D Gaussian ellipses constant probability curves
Construct data points of ellipsoids depicting contour curves of 3-dimensional Gaussian distributions
más de 10 años hace | 1 descarga |
Enviada
Gaussian ellipses constant probability curves
Construct data points of ellipses representing contour curves of bivariate Gaussian distributions.
más de 10 años hace | 4 descargas |
Labels on the contour have too many digits
You could use [C,h]=contour(...); texth=clabel(C,h); texth is a vector that contains the handles of all labels. To ge...
casi 11 años hace | 0
Help needed on plotting!
When you push the GUI pushbutton, you can read the labels of the columns of the data into a cell array and then create the check...
alrededor de 11 años hace | 0
More sophisticated code than a for loop with i is large
Please notice that in the "scatter matrix" that you showed as an example there are elements that are repeated, and the structure...
alrededor de 11 años hace | 0
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