Sara

Los Alamos National Laboratory

Last seen: 5 months 前 | 自 2014 起处于活动状态

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Professional Interests: Atmospheric science, biosurveillance, HAZMAT modeling

统计学

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1 个提问
157 个回答

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

10 years 前 | 0

已回答
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];...

10 years 前 | 0

已回答
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...

10 years 前 | 0

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

10 years 前 | 0

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

10 years 前 | 0

已回答
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...

10 years 前 | 0

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

10 years 前 | 2

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已回答
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(...

10 years 前 | 2

| 已接受

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

10 years 前 | 1

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已回答
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?

10 years 前 | 0

已回答
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 ...

10 years 前 | 0

已回答
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...

10 years 前 | 0

| 已接受

已回答
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 ...

10 years 前 | 0

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

10 years 前 | 0

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

10 years 前 | 1

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已回答
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...

10 years 前 | 0

已回答
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 =...

10 years 前 | 0

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已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 3

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提问

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...

10 years 前 | 2 个回答 | 0

2

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已回答
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...

10 years 前 | 0

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

10 years 前 | 0

已回答
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...

10 years 前 | 0

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已回答
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...

10 years 前 | 5

已回答
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...

10 years 前 | 0

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

10 years 前 | 1

已回答
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

10 years 前 | 0

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已回答
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...

10 years 前 | 2

| 已接受

已回答
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,...

10 years 前 | 0

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已回答
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.

10 years 前 | 0

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