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Sara


Los Alamos National Laboratory

Last seen: circa 2 mesi fa |  Attivo dal 2014

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Professional Interests: Atmospheric science, biosurveillance, HAZMAT modeling

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  • 6 Month Streak
  • Knowledgeable Level 4
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Risposto
Convert cell of strings to numbers
If your cell array includes only numbers, you can use cell2mat

quasi 10 anni fa | 0

Risposto
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];...

quasi 10 anni fa | 0

Risposto
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...

quasi 10 anni fa | 0

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

quasi 10 anni fa | 0

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

quasi 10 anni fa | 0

Risposto
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...

quasi 10 anni fa | 0

| accettato

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

quasi 10 anni fa | 2

| accettato

Risposto
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(...

quasi 10 anni fa | 2

| accettato

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

quasi 10 anni fa | 1

| accettato

Risposto
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?

quasi 10 anni fa | 0

Risposto
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 ...

quasi 10 anni fa | 0

Risposto
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...

quasi 10 anni fa | 0

| accettato

Risposto
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 ...

quasi 10 anni fa | 0

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

quasi 10 anni fa | 0

| accettato

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

quasi 10 anni fa | 1

| accettato

Risposto
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...

quasi 10 anni fa | 0

Risposto
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 =...

quasi 10 anni fa | 0

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Risposto
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...

quasi 10 anni fa | 0

Risposto
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...

quasi 10 anni fa | 3

| accettato

Domanda


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...

circa 10 anni fa | 2 risposte | 0

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risposte

Risposto
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...

oltre 10 anni fa | 0

| accettato

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

oltre 10 anni fa | 0

Risposto
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...

oltre 10 anni fa | 0

| accettato

Risposto
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...

oltre 10 anni fa | 5

Risposto
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...

oltre 10 anni fa | 0

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

oltre 10 anni fa | 1

Risposto
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

oltre 10 anni fa | 0

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Risposto
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...

oltre 10 anni fa | 2

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Risposto
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,...

oltre 10 anni fa | 0

| accettato

Risposto
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.

oltre 10 anni fa | 0

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