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Sara


Los Alamos National Laboratory

Last seen: 29 jours il y a Actif depuis 2014

Professional Interests: Atmospheric science, biosurveillance, HAZMAT modeling

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A répondu
Convert cell of strings to numbers
If your cell array includes only numbers, you can use cell2mat

environ 9 ans il y a | 0

A répondu
how to write general code for generating points
You can write the for loop in the following way: for I=1:m x1 = LB(I)+(UB(I)-LB(I))*rand(500,1); X = [X x1];...

environ 9 ans il y a | 0

A répondu
Speeding up matrix comparison within a loop (logical indexing???)
Without having any data to test it, I'd say you could do: for i=2:12 x = squeeze(imlab50(i,:,:,:)); outpu...

environ 9 ans il y a | 0

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Doubt regarding ode45 plotting
ode45(@(t,x)DFG789(t,x,var_1),..... Then the function becomes: function dB = DFG789(Z1,B,var_1)

environ 9 ans il y a | 0

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Storing data from for loop
Try replacing FileName(s) with FileName{s}

environ 9 ans il y a | 0

A répondu
Recursive concatenation of cell arrays
Events_ext2 = Events_ext; i = 0; while i < numel(Events_ext2)-1 i = i + 1; if(Events_ext2{i+1}(1)-Events_e...

environ 9 ans il y a | 0

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A répondu
Plot single vector from 3D array
Try this: plot(squeeze(MyVar(1,1,:)))

environ 9 ans il y a | 2

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A répondu
horizontal lines in candle chart
x = [0 60]; ylev = [0 23.6 38.2]; % add all levels you want hold on; for i = 1:numel(ylev) plot(x,[ylev(i) ylev(...

environ 9 ans il y a | 2

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Position of a data at Matrix
Given the matrix A [i,j] = find(A == max(max(A))

environ 9 ans il y a | 1

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Writing Character Strings from Text file to CSV, Error using fprintf Function is not defined for 'cell' inputs
Use C = C{1} after the textscan command. But, why not using csvwrite later?

environ 9 ans il y a | 0

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Displaying a saved value in plot's textbox.
Replace: 'Area_s_s = ' with ['Area_s_s = ',num2str(a),'kJm^-3'] in the annotation. It's also better if you use ...

environ 9 ans il y a | 0

A répondu
save results in new struct
Here is how your code will look like: if true empty_max.cost=[] mymax=repmat(empty_max,[3,3,2,numel(A)]) for...

environ 9 ans il y a | 0

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How to split columns up into different numbers of figures?
% This values are here just to show an example n = 7; % num A = zeros(10,n); for i = 1:n A(:,i) = i; end ...

environ 9 ans il y a | 0

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Importing different sheets of an Excel Data
You can retrieve the name of the sheets in an excel file with xlsfinfo

environ 9 ans il y a | 0

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A répondu
plotting 2 vectors of different
with hold on. figure plot(x1) hold on plot(x2)

plus de 9 ans il y a | 1

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how use GUI outputs (variables) in another .m file?
If you just want to calc the result once you've inputted the values, you can do: In function pushbutton1_Calculate_Callback(h...

plus de 9 ans il y a | 0

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Change positions of specific compoent based on conditions
Use the handles variable to carry around your values. In the opening function, do: handles.origin = ..... handles.prev =...

plus de 9 ans il y a | 0

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A répondu
hello, i am new on matlab and i keep getting this msg : matrix dimensions must agree!! any help please? its line 28
Replace lines with this dV = kconst*dq ./ ( ( (kx0-x).^2+(ky0-y).^2+(kz0-z).^2 ).^0.5 ); V(ki)= sum(sum(dV)); % ca...

plus de 9 ans il y a | 0

A répondu
Help needed with matrix in for-loop and output of matrix
With x,y column vectors: A = [x,y]; B = sortrows(A,1); unique_x = unique(B(:,1)); new_matrix = zeros(numel(unique_x),2...

plus de 9 ans il y a | 3

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Question


Zoom behavior in figure embedded in GUI
I have built a GUI that contains some axes and created a pushbutton to let the user zoom in and out of the image. I can't figure...

plus de 9 ans il y a | 2 réponses | 0

2

réponses

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Mirror of countourf on X, Y axis
Look at the following example. If x and y start from 0, you can repeat the contour command 4 times. otherwise, you need to trans...

plus de 9 ans il y a | 0

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A répondu
operands to the and && operators must be convertible to logical scalar
In find you need to use & not &&

plus de 9 ans il y a | 0

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How can I save a string from a uicontrol edit box into a a part of my structure ?
You have to put your string into the handles structure as handles.s_Name = s_Name; and then save it with: guidata...

plus de 9 ans il y a | 0

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Pass Data between Gui`s
In GUI_1, store everything you need to share in handles, and call GUI_2 as: GUI_2(handles) This may go into a pushbutton...

plus de 9 ans il y a | 5

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how to plot grid mapping for robot path planning ?
Adapt to your case the following script. I've colored the rectangles with facecolor, but you can eliminate that if you want just...

plus de 9 ans il y a | 0

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Modifying files and merge files
fid1 = fopen('filewithdates','r'); fid2 = fopen('filewithhours','r'); fid3 = fopen('output.txt','w'); w...

plus de 9 ans il y a | 1

A répondu
how to write this data in text file?
Try this: sets = rand(9,5) for i = 1:9 fprintf(fid,'%.2f ',sets(i,:) ); fprintf(fid,'\n'); end

plus de 9 ans il y a | 0

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How can I generate a grid schematic in MATLAB?
Take a look at the code. nrow and ncol will be your adjustable inputs. Now the code wait for the user to click on the image (gin...

plus de 9 ans il y a | 2

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GUIDE outputting a .txt file
Look up fopen, fprintf, and fclose. Your code will be something like this: fid = fopen('filename.txt','w'); fprintf(fid,...

plus de 9 ans il y a | 0

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How do I access files not added to my matlab path?
You need to provide to imread not just the file name but the full path. You can use fullfile to build it.

plus de 9 ans il y a | 0

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