# Sara

### Los Alamos National Laboratory

Last seen: Today Attivo dal 2014

Followers: 0   Following: 0

Professional Interests: Atmospheric science, biosurveillance, HAZMAT modeling

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

oltre 9 anni fa | 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];...

oltre 9 anni fa | 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...

oltre 9 anni fa | 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)

oltre 9 anni fa | 0

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

oltre 9 anni fa | 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...

oltre 9 anni fa | 0

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

oltre 9 anni fa | 2

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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(...

oltre 9 anni fa | 2

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

oltre 9 anni fa | 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?

oltre 9 anni fa | 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 ...

oltre 9 anni fa | 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...

oltre 9 anni fa | 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 ...

oltre 9 anni fa | 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

oltre 9 anni fa | 0

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

oltre 9 anni fa | 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...

oltre 9 anni fa | 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 =...

oltre 9 anni fa | 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...

oltre 9 anni fa | 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...

oltre 9 anni fa | 3

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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...

quasi 10 anni fa | 2 risposte | 0

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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...

circa 10 anni fa | 0

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

circa 10 anni fa | 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...

circa 10 anni fa | 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...

circa 10 anni fa | 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...

circa 10 anni fa | 0

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

circa 10 anni fa | 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

circa 10 anni fa | 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...

circa 10 anni fa | 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,...

circa 10 anni fa | 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.

circa 10 anni fa | 0