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Sara


Los Alamos National Laboratory

Last seen: environ un mois il y a |  Actif depuis 2014

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Professional Interests: Atmospheric science, biosurveillance, HAZMAT modeling

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

plus de 9 ans il y a | 0

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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];...

presque 10 ans il y a | 0

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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...

presque 10 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)

presque 10 ans il y a | 0

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

presque 10 ans il y a | 0

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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...

presque 10 ans il y a | 0

| A accepté

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

presque 10 ans il y a | 2

| A accepté

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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(...

presque 10 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))

presque 10 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?

presque 10 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 ...

presque 10 ans il y a | 0

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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...

presque 10 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 ...

presque 10 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

presque 10 ans il y a | 0

| A accepté

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

presque 10 ans il y a | 1

| A accepté

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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...

presque 10 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 =...

presque 10 ans il y a | 0

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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...

presque 10 ans il y a | 0

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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...

presque 10 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...

environ 10 ans il y a | 2 réponses | 0

2

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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 10 ans il y a | 0

| A accepté

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

plus de 10 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 10 ans il y a | 0

| A accepté

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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 10 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 10 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 10 ans il y a | 1

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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 10 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 10 ans il y a | 2

| A accepté

Réponse apportée
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 10 ans il y a | 0

| A accepté

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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 10 ans il y a | 0

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