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Sara


Los Alamos National Laboratory

Last seen: alrededor de 2 meses hace |  Con actividad desde 2014

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Professional Interests: Atmospheric science, biosurveillance, HAZMAT modeling

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

alrededor de 9 años hace | 0

Respondida
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];...

alrededor de 9 años hace | 0

Respondida
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...

alrededor de 9 años hace | 0

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

alrededor de 9 años hace | 0

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

alrededor de 9 años hace | 0

Respondida
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...

alrededor de 9 años hace | 0

| aceptada

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

alrededor de 9 años hace | 2

| aceptada

Respondida
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(...

más de 9 años hace | 2

| aceptada

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

más de 9 años hace | 1

| aceptada

Respondida
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?

más de 9 años hace | 0

Respondida
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 ...

más de 9 años hace | 0

Respondida
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...

más de 9 años hace | 0

| aceptada

Respondida
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 ...

más de 9 años hace | 0

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

más de 9 años hace | 0

| aceptada

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

más de 9 años hace | 1

| aceptada

Respondida
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...

más de 9 años hace | 0

Respondida
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 =...

más de 9 años hace | 0

| aceptada

Respondida
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...

más de 9 años hace | 0

Respondida
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...

más de 9 años hace | 3

| aceptada

Pregunta


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...

más de 9 años hace | 2 respuestas | 0

2

respuestas

Respondida
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...

más de 9 años hace | 0

| aceptada

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

más de 9 años hace | 0

Respondida
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...

más de 9 años hace | 0

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Respondida
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...

más de 9 años hace | 5

Respondida
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...

más de 9 años hace | 0

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

más de 9 años hace | 1

Respondida
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

más de 9 años hace | 0

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Respondida
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...

más de 9 años hace | 2

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Respondida
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,...

más de 9 años hace | 0

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Respondida
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.

más de 9 años hace | 0

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