Risolto
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
oltre 11 anni fa
Risposto
Mex results different from linux to windows!
I answer myself. The problem was related to the function abs. In gcc, math.h has a C version of abs that works on integers, so g...
Mex results different from linux to windows!
I answer myself. The problem was related to the function abs. In gcc, math.h has a C version of abs that works on integers, so g...
oltre 11 anni fa | 0
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Domanda
Mex results different from linux to windows!
Hello everyone. I have a mex routine written in C++ that I use on a Windows computer compiled through Visual Studio. Now I ne...
oltre 11 anni fa | 1 risposta | 0
1
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may i directly convert video to text document using matlab ?
You can use matlab OCR function: <http://uk.mathworks.com/help/vision/examples/recognize-text-using-optical-character-recogni...
may i directly convert video to text document using matlab ?
You can use matlab OCR function: <http://uk.mathworks.com/help/vision/examples/recognize-text-using-optical-character-recogni...
oltre 11 anni fa | 0
Risposto
how to display a query image and database side-side ? i have few lines but i am not able to proceed ahead with them as they are incomplete .
Maybe you want to use subplot: figure subplot(1,2,1) imshow(im1) subplot(1,2,2) imshow(im2)
how to display a query image and database side-side ? i have few lines but i am not able to proceed ahead with them as they are incomplete .
Maybe you want to use subplot: figure subplot(1,2,1) imshow(im1) subplot(1,2,2) imshow(im2)
oltre 11 anni fa | 0
Inviato
Where am I in the code?
Simple script to open the editor on the current debugging line
oltre 11 anni fa | 1 download |
Risposto
How to stop printing anything to command window?
The best solution would be using disp inside an if statement. A really bad soulution (still working) would be replacing the fun...
How to stop printing anything to command window?
The best solution would be using disp inside an if statement. A really bad soulution (still working) would be replacing the fun...
oltre 11 anni fa | 0
Risposto
script running for 13 hours. should I be worried?
You can use a task manager to check if matlab is still using the CPU. If not, it probably got stuck.
script running for 13 hours. should I be worried?
You can use a task manager to check if matlab is still using the CPU. If not, it probably got stuck.
oltre 11 anni fa | 0
Risposto
Find the distance between object and camera
Calculating the distance between an object and a camera in not an easy task. In theory, you would need two different cameras bec...
Find the distance between object and camera
Calculating the distance between an object and a camera in not an easy task. In theory, you would need two different cameras bec...
oltre 11 anni fa | 0
Risposto
Why are vectors horizontally and matrices vertically indexed?
Matlab variables are always indexed vertically. What you are talking about is a plot behaviour: plot(X,Y) plots vector Y v...
Why are vectors horizontally and matrices vertically indexed?
Matlab variables are always indexed vertically. What you are talking about is a plot behaviour: plot(X,Y) plots vector Y v...
oltre 11 anni fa | 0
Risposto
estimate time needed for a code to finish
This is my favourite solution: tic for i = 1:1e9 if toc > 10 fprintf('Iteration %d/%d\n',i,1e9) ...
estimate time needed for a code to finish
This is my favourite solution: tic for i = 1:1e9 if toc > 10 fprintf('Iteration %d/%d\n',i,1e9) ...
oltre 11 anni fa | 2
| accettato
Risposto
Calculating statistical PDF and percentiles over matrices
You can replace x with x(:) in prctile. The whole matrix will be squeezed in a single vector what will be evaluated just once.
Calculating statistical PDF and percentiles over matrices
You can replace x with x(:) in prctile. The whole matrix will be squeezed in a single vector what will be evaluated just once.
oltre 11 anni fa | 0
Risposto
The definition of variables
You can create integer random vectors with randi(), convert it to binary with de2bi(), and convert input binary to decimal with ...
The definition of variables
You can create integer random vectors with randi(), convert it to binary with de2bi(), and convert input binary to decimal with ...
oltre 11 anni fa | 0
| accettato
Risposto
HELP with Undefined variable, size of the indicated variable changes with each loop iteration.
The variable files is a cell array, and you are trying to refer it as a matrix. You should use files{i} instead of files(i,1) wh...
HELP with Undefined variable, size of the indicated variable changes with each loop iteration.
The variable files is a cell array, and you are trying to refer it as a matrix. You should use files{i} instead of files(i,1) wh...
oltre 11 anni fa | 0
Risposto
how can i make my scattered 3 dimensional data points as a 3d surface?
tri = delaunay(k(:,1),k(:,2)); trisurf(tri,k(:,1),k(:,2),k(:,3))
how can i make my scattered 3 dimensional data points as a 3d surface?
tri = delaunay(k(:,1),k(:,2)); trisurf(tri,k(:,1),k(:,2),k(:,3))
oltre 11 anni fa | 0
Risposto
how to read audio file?
You can use audioread: http://uk.mathworks.com/help/matlab/ref/audioread.html
how to read audio file?
You can use audioread: http://uk.mathworks.com/help/matlab/ref/audioread.html
oltre 11 anni fa | 0
| accettato
Risposto
How to find the variance of an image in a special windows? variance(in 3*3 windows)
You can use the function conv2: A = imread('foo.bmp'); small_window = ones(3)/9; A_sq = conv2(A.^2,small_window,'s...
How to find the variance of an image in a special windows? variance(in 3*3 windows)
You can use the function conv2: A = imread('foo.bmp'); small_window = ones(3)/9; A_sq = conv2(A.^2,small_window,'s...
oltre 11 anni fa | 0
Risposto
Problem in Plot diagrams
I cannot see your attachment, but you can use any char you wish for your plot, just using text instead of plot: x = linspac...
Problem in Plot diagrams
I cannot see your attachment, but you can use any char you wish for your plot, just using text instead of plot: x = linspac...
oltre 11 anni fa | 0
Risposto
How to use threshold in this problem?
Supposed your image varies from o to 1, you could use a threshold in this way: THR = 0.5 above = image>=THR; imag...
How to use threshold in this problem?
Supposed your image varies from o to 1, you could use a threshold in this way: THR = 0.5 above = image>=THR; imag...
oltre 11 anni fa | 0
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Risposto
Distance from 3d point to an ellipse
A simple and straightforward solution could be discretizing the points of the ellipse, evaluating the distance from all the poin...
Distance from 3d point to an ellipse
A simple and straightforward solution could be discretizing the points of the ellipse, evaluating the distance from all the poin...
oltre 11 anni fa | 0
Risposto
How to convert an acceleration time graph, into a velocity time graph
You can integrate the acceleration vector with cumsum or cumtrapz to get the velocity, and again to get the space.
How to convert an acceleration time graph, into a velocity time graph
You can integrate the acceleration vector with cumsum or cumtrapz to get the velocity, and again to get the space.
oltre 11 anni fa | 0
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Risposto
plot smooth curve through discreet points
xx = linspace(min(x),max(x),100); yy = spline(x,y,xx); figure,plot(x,y,'o',xx,yy)
plot smooth curve through discreet points
xx = linspace(min(x),max(x),100); yy = spline(x,y,xx); figure,plot(x,y,'o',xx,yy)
oltre 11 anni fa | 2
Risposto
Solving an integral with variable as upper limit and plotting the solution
You can use cumsum or cumtrapz.
Solving an integral with variable as upper limit and plotting the solution
You can use cumsum or cumtrapz.
oltre 11 anni fa | 0
Risposto
what does this mean?
hblms is a struct array ( http://uk.mathworks.com/help/matlab/ref/struct.html ) Set its variable WeightsOutputPort to false
what does this mean?
hblms is a struct array ( http://uk.mathworks.com/help/matlab/ref/struct.html ) Set its variable WeightsOutputPort to false
oltre 11 anni fa | 1
| accettato
Risposto
Determing intermediate points in 3D mesh plot
If the points are on regular grid, you can use interp2: interp2(x,y,z,x0,y0,'cubic') Otherwise, you can scatteredInt...
Determing intermediate points in 3D mesh plot
If the points are on regular grid, you can use interp2: interp2(x,y,z,x0,y0,'cubic') Otherwise, you can scatteredInt...
oltre 11 anni fa | 0
| accettato
Risposto
Why is my surface not fitting the data points smoothly?
You can try to plot your surface with trisurf: [x,y]=meshgrid(1:15,1:15); tri = delaunay(x,y); z = peaks(15)...
Why is my surface not fitting the data points smoothly?
You can try to plot your surface with trisurf: [x,y]=meshgrid(1:15,1:15); tri = delaunay(x,y); z = peaks(15)...
oltre 11 anni fa | 0
Risposto
Stitching sub images to reconstruct full image
What about using mat2cell and cell2mat? It should be much easier.
Stitching sub images to reconstruct full image
What about using mat2cell and cell2mat? It should be much easier.
oltre 11 anni fa | 0
Risposto
surf plot- Z must be a matrix, not a scalar or vector.
The surf function requires the z values to be a matrix. If you have column data you can use trisurf, instead: tri = delaun...
surf plot- Z must be a matrix, not a scalar or vector.
The surf function requires the z values to be a matrix. If you have column data you can use trisurf, instead: tri = delaun...
oltre 11 anni fa | 2
Domanda
Delaunay special constraints not being part of the triangulation
Hello, I'm trying to create a constrained delaunay triangulation of a set of points: in particular, I don't wont triangles to i...
oltre 11 anni fa | 1 risposta | 1
1
rispostaInviato
Align equal sign
Automatically align equal sign in variables assignment
oltre 11 anni fa | 4 download |
