Answered
How to read matrix into a variable increment?
Your question is not clear. Do you mean something like this? A=zeros(10); A(:,1)=rand(10,1); B=sort(A); Where B co...

13 years ago | 0

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how i can remove the for statement from this program?
you should initialize your _n_ matrix to perform the assignment.

13 years ago | 0

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Answered
Reading several Excel files
1) It is not possible to read every 100 cells, but you can do: r=1:100:1000; f=xlsread('my_xls_file.xls'); f=f(r); ...

13 years ago | 0

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Answered
i m working on gui. i have initialize one matrix at the starting n now i want to use it in switch statement with variation .
If you want to get rid of columns you can use the following example: B= rand(3); % 3x3 matrix B=B(:,1) % 3x1 matrix ...

13 years ago | 0

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Import data and display on a graph in a GUI
Each plot has to have its unique identifier ( Property Inspector -> tag ), then: plot(my_x,my,x,'Parent',plot_handle...

13 years ago | 0

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Loop is taking a lot of time
Matlab 2013 in a i3 machine takes time = 0.3825 seconds to perform your code. I guess your problem lies on yo...

13 years ago | 0

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Answered
Plotting normal curve and a third order polynomial
what's your y data? Your code is full of useless stuff and "magic" numbers. Add this at the end of your code: axis([0 30...

13 years ago | 0

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Curve-fitting part of a data set
If I am not wrong, you are doing this: % tau = -1./p(1) % Temp0 = exp(p(2)) % Temp_t = Temp0*exp(-(tm-t0)/tau); ...

13 years ago | 0

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How to display the calcution process with progress bar?
Is this what you are looking for? h = waitbar(0,'Please wait...'); steps = 1000; for step = 1:steps % computat...

13 years ago | 8

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Answered
How do I stoop overwriting the variable in a "for" loop?
Try this out: adj = zeros(nbs.NBS.n,1); % initialize the variable for i=1:nbs.NBS.n global nbs; adj=nbs.NBS...

13 years ago | 0

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Group Identical Values in Matrix While Maintaining Original Indicies
A=[ 1;1;2;2;2;3;3;3;4;4;4]; % example matrix [B ind]=unique(A); L = length(ind); C = cell(L,1); C{1} = A(1:ind(1)...

13 years ago | 0

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Matrix and element change and input help
I think you are trying to do just this: BB = reshape(B',9,1); I=input('number coord:'); player = 1; BB(I) = 2*(p...

13 years ago | 0

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Answered
Matrix and element change and input help
>>a=input('insert matrix) >>[1 2 3 4]

13 years ago | 0

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what does this error mean?
-As the message says, you are trying to get a field from a non-structure object. It seems either your x is not a structure or i...

13 years ago | 1

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Multiple figure in same subplot on figure
subplot(2,2,1) imshow(image1) subplot(2,2,2) imshow(image2) subplot(2,2,3) imshow(image1) subplot(2,2,4) ...

13 years ago | 0

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Problem with imrect. All the GUI became a little part of the image.
Did you try to make the background axis invisible to any plotting function? ha = axes('units','normalized', 'position',[0 0...

13 years ago | 0

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converting vector to matrix
vec=[0:4.80314960629921e-6:.00061]; my_matrix=zeros(8,16); for k=1:8 my_matrix(k,:) = vec(k*16-15:k*16); end

13 years ago | 2

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how to interpret this expression?
Let us suppose a = [1 2 3 4 5 6 7 8]; winLength = 3; N = 7; - a( N - winLength * 2 : N )=0 -> elements from N-winLengt...

13 years ago | 0

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Answered
How to make a sequence number?
n=6; my_seq=linspace(1,n,n) my_seq = 1 2 3 4 5 6

13 years ago | 2

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how to change this matrix in this manner?
If you prefer an extended version: A = rand(6); % example matrix H = zeros(size(A,1)/2,size(A,1)*2); % initialize matrix...

13 years ago | 0

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How to change array elements?
I hope the following code is of help: % example matrix M=[-1 1 0; 1 0 -1; 0 0 1]; D_1_ = find(M==-1...

13 years ago | 0

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Answered
Maximum decimal and binary values
_de2bi_ is the only Matlab built-in function to perform the operation. If you need something different you have to code it your...

13 years ago | 0

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Anyone can help me to improve this code?
Ii this what you need? for k=1:n-1 if R(k,1) == 1 A(k,k)= c + A(k+1,k+1); else A(k,k) = A(k+1,k+1)...

13 years ago | 0

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I wanna save string data in my gui with txt format but I want to choose directory and file name in dialog box
[file_name PathName] = uigetfile('*.mat','Select *.mat file'); full_file_path = fullfile(PathName, file_name); fid = fo...

13 years ago | 0

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Answered
I have a data which include point numbers, y_error and x_error belongs to point numbers (mx3 matrix) point numbers are string other values are double. I wanna check whether errors are exceeding particular number and I wanna show which point.
Use _find_ function. In the example below, _b_ contains the positions of elements greater than 0.5 within array _a_. a=[.1 ...

13 years ago | 0

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Answered
how to transfer elements in cell into matrix in MATLAB?
A=ones(3,1); C=cell(1); C{1} = A; %matrix to cell B = cell2mat(C) >>B = 1 1 1

13 years ago | 1

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Answered
Restore orignal colors to the processed image
you can't. With every process of your image you loose information. When you grayscale (1D matrix) an colour image (3D matrix), y...

13 years ago | 0

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How to represent values in horizontal in bar chart
x=rand(12,1); y=rand(12,1); plot(x,y,'o') months = ['Jan'; 'Feb'; 'Mar'; 'Apr'; 'May'; 'Jun'; 'Jul'...

13 years ago | 0

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Answered
How to change the size of Matlab 2013 Toolstrip icons and fonts?
If you are a Windows User, go to Control Panel->Screen. Set the configuration that best suits your needs

13 years ago | 0

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How to change the size of Matlab 2013 Toolstrip icons and fonts?
You can change it through you OS configuration. Matlab does not control the sizes of toolstrip icons since that is a parameter c...

13 years ago | 0