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How to change axis of graph and interpolate data
use this function: http://www.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections with interp...

10年以上前 | 0

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Keeping data w/i a single function of a MATLAB GUI
You need to put h.h into the handles variable: handles.h.h = ..... and add guidata(hObject, handles); at the end...

10年以上前 | 0

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Adding two or more mat file variables(same name)
You can combine the cell arrays with the [], e.g., Atot = [A{1};A{2}] where A{1} comes from 1.mat and A{2} comes from 2.mat.

10年以上前 | 0

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what is the efficient method in matlab to solve non-linear explicit differential equation???
" _Then why it results in an array_ ": ode45 will choose the timestep and adjust it during the integration. It returns ALL the t...

10年以上前 | 0

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create a loop of the 2nd row of a 4D cel
MD_SD(2,:,:) would do without a loop

10年以上前 | 0

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How to change the numbering system in the y axis? pitcure inside
I can't see Fig 2 but I think you can rescale the yaxis and the replace the y-ticks if you want the exponent close to each tick:...

10年以上前 | 0

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Attempted to access colors(6); index out of bounds because numel(colors)=5
In the last loop, replace with the following and see if it is what you are looking for: figure(4); plot(...

10年以上前 | 1

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Introduce new column in a cell array in Matlab
FA(:,end+1) = ABS_V;

10年以上前 | 1

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Why does str2num truncate my number so early?
Use sprintf so you can control the precision you want.

10年以上前 | 0

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Wrong size of a matrix after specyfying a condition
Replace A(x) and B(y) with A= and B= so you have ONLY the elements you are interested in.

10年以上前 | 0

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i need help in matlab gui for the following code
In this part, I think you meant to do: full_path=strcat('C:/Users/xyz/Desktop/',text_file_name); Also, do: [fid,msg...

10年以上前 | 0

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How can I efficiently perform a curve fitting a large number of times without a constant 'for loop'?
The first thing you can try is to do this outside the loop: [j,k] = find(IM(:,:,1) > 0); and then replace the loops with...

10年以上前 | 0

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the goto fortran90 command convert to matlab
I would eliminate the need for the goto altogether. Try this: n = 2; while(b > a(n) && n < 350) n = n + 1; end ...

10年以上前 | 1

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plot geo data using lat and lon as pixel centers
Offset them by half the dimension of each cell in the grid. If lat is your array, then do d = diff(lat)/2; d(end+1) = d(...

10年以上前 | 0

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ERROR: Input data must be specified in column-vector format.
On the line where you have the error, check the sizes of the arrays with the command [nrow,ncol] = size(your_array) The...

10年以上前 | 0

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How to delete a column conditionally in a UI table?
To have an empty table: set(handles.mytable,'data',cell(nrows,2)) If you already have data in the first two columns that...

10年以上前 | 1

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use goto, jump or some easier way for my loop in matlab?
You can change the condition in your if and put the value in values_delay only when delay<=values_delay_temp while l<=lengt...

10年以上前 | 0

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how make matrix from a for loop
First, when you allocate variables before the for loop, you need to allocate them so that they can contain all the elements. Thi...

10年以上前 | 0

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Problem with find and logical array
You could do: B = find(443 > A(:,1) & A(:,2) > 443); B is the row or rows where the condition is satisfied.

10年以上前 | 0

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string input for xlsread of a sheet
cases is a cell array, use: cases{i}

10年以上前 | 0

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N-D grid from excel columns-2-D grid
First, read the whole file: A = xlsread('myfile.xlsx','A1:N2110'); % replace N2110 with the last point in your file ...

10年以上前 | 0

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Creating a Function to Plot Projectile with Drag
You can replace your while loop with: while min(y)> -0.01; t = t + dt;...

10年以上前 | 1

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System of non linear differential equations
You can use ode45 for non-stiff problems and ode15s for stiff problems

10年以上前 | 0

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Overlap between N circles
If you have the mapping toolbox, you can use polybool.

10年以上前 | 0

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use variables of one .m file in another .m file
You can define the constants in one file and save them in a mat file: save('myfile.mat','name_var1','name_var1') and rea...

10年以上前 | 2

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store result for loop for 2D array
a=[1 2; 3 4; 5 6]; result = cell(4,1); for m=1:4 if m<=2 result{m}=a([2 3],:) e...

10年以上前 | 0

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How do I calculate area enclosed by contour lines?
[x, y, z] = peaks; [C, h] = contour(x, y, z, 20); ch = get(h,'children'); area = zeros(numel(ch),1); for i = 1:nu...

10年以上前 | 2

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I face the error of "In an assignment A(I) = B, the number of elements in B and I must be the same" when i want to create a loop a matrix. my simple short code given below, plz help me?
p(1) accepts one element only, not an array. you can replace it with: p{1}=[x1-x2 x3-x2; x2-x3 x1-x3] or p=[x1-x2 x...

10年以上前 | 1

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Iterative legend for multple curves on the same plot
you can do: txt = cell(n,1); for i = 1:n txt{i}= sprintf('curve %i',i); end legend(txt)

10年以上前 | 0

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How to solve runge kutta using implicit method
Implicit means the equation has no analytic solution, i.e. you'll have to solve it iteratively. Meaning, you try guessing the va...

10年以上前 | 0