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Median gray level value
Hi Faraz, you can simply make a mask of the pixels you *don't* want to include, then take the median of all the others: Im = ...

14年以上前 | 1

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Changing the font displayed in a waitbar
It's hidden a little bit: h = waitbar; titleHandle = get(findobj(h,'Type','axes'),'Title'); set(titleHandle,'FontSi...

14年以上前 | 0

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Comparing between Array Elements
If you were running the code you put in the question, you should have gotten an error (rather than an absurd answer). There was ...

14年以上前 | 1

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working with two variables
It's not the most efficient code, but I've kept things similar to your original input for clarity. Think now of "MF" as a grid o...

14年以上前 | 0

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Specifying 3D points with the mouse
In short, don't use *ginput()*, use *get(ax,'CurrentPoint')* instead. Basically the current position of the mouse, combined w...

14年以上前 | 1

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Re-scaling matrix entries to lie within a range
You can use the "mod" command with modulus 2*pi, then minus pi from the result. For example: mod(4.5*pi + pi, 2*pi) - pi ...

14年以上前 | 0

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How to extract cell array in matlab
If you have strings of dates, use datevec as follows: [Y, M, D, H, MN, S] = datevec('22.11.2011 13:58:56.16'); You'll noti...

14年以上前 | 1

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How to generate a 3d Spline curve can interp3 be of help
Hi Anjani, I think this is what you want to do: Get your original data: d=[0.007773 0.649806 0.627914, 0.007773 0.652142 0...

14年以上前 | 2

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Iteration in Matlab
Your "break" command only breaks out of one loop. Instead try: exitLoop = false; C_pd = Specific_Heat(T_d,X_d); ...

14年以上前 | 0

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Interpolating Data from Vectors of Different Length
This is a job for the *interp1* function: % Make original data oldPcntVals = [0 .1 .3 .7 .9 1]; oldYvals = [10 12 15 13 ...

14年以上前 | 1

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Reversing Columns in a Matrix
Use *fliplr* to flip a matrix left-to-right: a = [1 2 3 4 5 6] b = [a(1) fliplr(a(2:5)) a(6)] See also: *flipud* (fli...

14年以上前 | 0

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prolem in sparse
Huda, try this (edited to update with comments): % Make Data x=sparse(10,10); x(1:10,1:10)=5; % Get the rows, cols, ...

14年以上前 | 0

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Variable for range in xlswrite
Providing a variable as a string should be exactly the same as providing that string directly. Here are 3 possibilities that I c...

14年以上前 | 0

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The problem with the function 'all'
I think you want to compare a(1,:) to b, and a(2,:) to b. So try this using bsxfun: all(bsxfun(@gt, a, b),2) Does that give ...

14年以上前 | 1

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What is your MATLAB uptime
I've got 2 machines with MATLAB always open :) PC1. The desktop - hack around developing and testing. PC2. The runner - An...

14年以上前 | 0

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plot different color
Steven, try this, it plots two separate plots depending on whether y is above/below 0.5: x = 0:pi/20:10*pi; y = sin(x); mas...

14年以上前 | 1

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how to format rows columns for display
Hi FIR, Make data: D = [(1:800)' randi(4,800,1) rand(800,1)+99]; Display all data rounded: disp(round(D)) D...

14年以上前 | 0

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function
Baba, variables created *inside* a function are _limited_ to that function's scope. If you want to have DATA available outside t...

14年以上前 | 1

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error in selecting data
Hi FIR, The error comes because the ismember() function expects *either* a matrix of numbers *or* a cell array of strings. Sinc...

14年以上前 | 0

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How to count changes in binary transmission through channel
Hmmm... does this answer your question, Will? originalBits = rand(1,100000)>0.5; returnedBits = transmitSignal(originalBits...

14年以上前 | 0

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Binary Number Transmitter
The "if" statement is only executed once, however you have 100000 elements. Essentially, if *any* elements in a vector are false...

14年以上前 | 0

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question about structures in Matlab
Yes, that's possible: s = struct('field1', 45, 'field2', 'Nothing') s.field3 = struct('subfield1', 232) And you can acc...

14年以上前 | 0

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sorting 3d matrix by value of a cell
Hi Markus, If you have a 3D *MATRIX* of numbers, and the distance you want to sort by is stored, say, in the (1,1) location of ...

14年以上前 | 1

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basics - a more compact way to do this...?
The simplest method is: k = size(x, 2) The second argument of the "size" method is the dimension in which to query - in your...

14年以上前 | 0

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Help needed in debugging the code for Identifying round objects ..
This is a pretty good attempt, and I think the code below does what you intended. The one biggest change is that instead of try...

14年以上前 | 1

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Creating matrix from a for loop
Hi athpapa, I don't know what your "A" matrix or "symbols" matrix had, so I will just make them random numbers: A = randi(50...

14年以上前 | 0

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How to specifically select columns in a data matrix?
Try: xdatatemp = xdata(:,[77:83 86]) And you can even use "end" keywords such as: xdatatemp = xdata(:,[77:83 86 end end:...

14年以上前 | 41

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concatenating / manipulating matrix based on user input
Hi Karan, try this: The setup: matrix_dates = [ 1 1701 1 1702 4955 2 ...

14年以上前 | 0

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combination
Mohammad, try this for a solution. It is a loop that iterates along the columns of x, picking the next available x(row,col). Whe...

14年以上前 | 0

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Extracting Cracks
Hi Ratna, It's quite difficult due to the relative intensities - cracks are only a "little" bit lighter than solid material. Her...

14年以上前 | 1

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