Marta Salas
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Physicist.
PhD candidate on Computer Vision and Robotics.
Professional Interests: SLAM, computer vision
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Plotting equation as a function
k=0.4; alpha=0.5; tau=50; h=30; % Define the values within the interval for gamma minValue = 2*h/pi; maxValue = ...
environ 10 ans il y a | 1
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can anybody help in understanding fopen and fread?
The file identifier is a integer greater than 3. Identifier -1 means fopen can not open the file, and MATLAB reserves file ident...
plus de 10 ans il y a | 0
How to get all possible arrangements for n=10 and more
http://www.mathworks.com/help/matlab/ref/perms.html [Limitations: perms(v) is practical when length(v) is less than about 10.] ...
plus de 10 ans il y a | 0
Error: Unexpected MATLAB expression. SYNTAX ERROR?!
You need to checked carefully what you have written in the definition of G, I have spotted some * missing, there is also a missi...
plus de 10 ans il y a | 1
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How to join two codes of images?
In order to not copy manually the coordinates of your ROI, you have to keep them on a variable and return the variable as an out...
plus de 10 ans il y a | 0
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Segmentation fault when printing images with transparency and -nodisplay option
I'm answering my own question, just in case someone else run into this problem (although it's improbable). The purpose of runnin...
plus de 10 ans il y a | 1
| A accepté
How to draw a figure?
you can try surf or mesh: <http://www.mathworks.es/es/help/matlab/learn_matlab/creating-mesh-and-surface-plots.html>
plus de 10 ans il y a | 0
Operands to the || and && operators must be convertible to logical scalar values.
_find_ returns the indexes of the values that holds the condition 5.2=< x >=8.50 index = find(x>=5.2 & x<=8.50) To know...
plus de 10 ans il y a | 1
Need help with 3D surface plot of complex function
*s* is a complex number and so it's F(s) (*z* in your code). This is why the problem ask you to plot the magnitude of F(s) which...
plus de 10 ans il y a | 0
Question
Segmentation fault when printing images with transparency and -nodisplay option
I'm running MATLAB 2012a on Linux's command line with -nodisplay option. When I run my code I get a segmentation fault. The foll...
plus de 10 ans il y a | 1 réponse | 1
1
réponseAny alternative to kmeans functions for image processing toolbox?
Piotr's toolbox contains a kmeans function (folder classify: *kmeans2*). It's open source, you can download it from this link: h...
plus de 10 ans il y a | 0
Inserting Color Map value in an image
You can copy the code you are using to be able to help you. You can also try this function: function make_video(video_dir...
plus de 10 ans il y a | 0
The script will read in image files (jpg) into a “cell” array then display them
have you look at the functions _imread_ and _imshow_ ?
plus de 10 ans il y a | 0
intersection of two triangles
% this define the vertexes (x,y) of first triangle trian1x =[ 0 0.5 1 0]; trian1y =[ 0 1 0 0]; % this d...
plus de 10 ans il y a | 3
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How to write multiple txt files from workspace matrix?
X= 1:size(My_matrix,1); for it=1:size(My_matrix,2) filename = ['Mytext' num2str(it) '.txt']; data = [X' My_m...
plus de 10 ans il y a | 2
| A accepté
Function to evaluate arguments using pol2cart
As arguments for your function you have to write the name of the variable: function x = Carlos_Virguez_Ex14(r,angle) No...
plus de 10 ans il y a | 0
Problem in Plotting graph.
p=120000; t=288; dax=0.1; m=150; r=287; cp=1004; row=1.45; v=50:300; dvx=-0.145*v./(0.145+(0....
plus de 10 ans il y a | 0
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How to rename images from a series of folder
mainDirectory = 'C:\Users\md\Desktop\NewFolder'; subDirectory = dir([mainDirectory '/N*']); for m = 1 : length(s...
plus de 10 ans il y a | 1
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element wise sum in array
You have to use a dot in front of the operation: *.** *.^* to mean element-wise operation in matlab t = [20 30 22 32 10 1...
plus de 10 ans il y a | 0
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using predefined string for savefig
fileparams = ['50psi_10A_Sawtooth_05Hz'] filename = [fileparams '.fig'] print(filename)
plus de 10 ans il y a | 1
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How can I shading plot?
Color is defined as a vector of 3 values: RGB. When you select 'g' on you plots this vector is [0 1 0]. 'r' is [1 0 0] or 'b' is...
plus de 10 ans il y a | 0
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Save values in the middle of a loop
You could save them as mat files http://www.mathworks.es/es/help/matlab/ref/save.html
plus de 10 ans il y a | 0
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comando stem en guide
Maybe this helps: http://www.mathworks.com/matlabcentral/answers/102384-how-do-i-make-my-gui-plot-into-an-axes-within-the-gu...
plus de 10 ans il y a | 0
Joining jpg files to make a video
I use MATLAB2012a, you can try if this function works for you. The input arguments are: the path to the images (vide_dir), exten...
plus de 10 ans il y a | 1
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Please provide me a matlab source code for running number of files in a loop.
video_dir = 'snaps/' extension = 'jpg' out_dir = 'video/' resnames=dir(fullfile(video_dirs,['*.' extensio...
plus de 10 ans il y a | 0
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how to display the clustered values which are clustered using k means clustering?
There is an example on how to plot the clusters and the cluster centroids here: http://www.mathworks.es/es/help/stats/kmeans.htm...
plus de 10 ans il y a | 0
Create two vectors X and Y of values from (-pi) to pi with a spacing of pi/10. Define the vector Z as: Z = (sin(sqrt(x^2+y^2)))/(sqrt(x^2+y^2))
[x,y] = meshgrid(-pi:pi/10:pi) z = (sin(sqrt(x.^2+y.^2)))./(sqrt(x.^2+y.^2)) mesh(x,y,z)
plus de 10 ans il y a | 0
How to plot multiple iterations of a for loop on the same axes.
figure hold on for ... plot ... end title xlabel ylabel
plus de 10 ans il y a | 1
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[HELP] How to seperate cell with values greater than 230 into new cell.
Not efficent, but it will do the job: v = {231.06;231.37;227.39;227.8} thresh = 230; vidx = cellfun(@(x) x > thresh, ...
plus de 10 ans il y a | 1
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How to interpret matrix indexation? Help to translate specific case please.
You create a a 3dimesional matrix with the repmat: 3x3x2 The last line of code takes the matrix assigned on 3rd dimesion= 1 a...
plus de 10 ans il y a | 1
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