Marta Salas
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Physicist.
PhD candidate on Computer Vision and Robotics.
Professional Interests: SLAM, computer vision
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20 of your answers have been accepted
Awarded to Marta Salas on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Marta Salas on 20 Jul 2017
Solve a problem for the first time
Awarded to Marta Salas on 22 May 2015
Feeds
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
| A accepté
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
| A accepté
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
| A accepté
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
| A accepté
[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
| A accepté
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
| A accepté
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