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how to count key presses in limited time?
I would do it just like I showed you before, but add a keyreleasefcn. So when the user pushes the correct key, a value is set. ...

más de 13 años hace | 1

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putting return to a function
Salvatore, are you asking how to make the function return the value that will be assigned to 'value' inside my_function? In MAT...

más de 13 años hace | 2

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How to align the figure name to the left ?
About the only thing I can think of is to buffer with spaces, but then resizing the figure wouldn't preserve this. set(gc...

más de 13 años hace | 0

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Put text in a figure that is not a graph/plot
Your description is vague. U = uicontrol('style','edit',... 'units','norm',... 'pos',[0...

más de 13 años hace | 0

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Is it possible to overwrite any of these variables:pi, eps, inf, i ? If so, how can it be undone?
Those are *not* variables, but _functions_. which pi which eps You can mask any function with another function or a l...

más de 13 años hace | 1

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Create a matrix with unique coloms and rows
Your matrix can be made with this: perms(1:3).' % For larger problems even ordered sets take time!! This is signifi...

más de 13 años hace | 0

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Ending an infinite loop
With I initially at 100, you may never get out of the loop. This will go until I gets to the origin (or ctrl+c). I = 5; ...

más de 13 años hace | 0

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What is the cause of undefined variable or function error.
MATLAB is case sensitive. Target, target, tarGet, TarGet are all different things. If your function is named target, don't cal...

más de 13 años hace | 0

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Why does reversing an axis direction change shading properties?
I am not sure if this will help at all. It might help if you provide some code. Here is what I did to simulate what I see in y...

más de 13 años hace | 0

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Generating Biased Random Number
Without the stats toolbox: A = 0:23; % The given array. % Now lets sample it. N = .5e5; % This many samples.. ...

más de 13 años hace | 0

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In an assignment A(I) = B, the number of elements in B and I must be the same.
You are trying to put a vector into a single element of x.... That won't work. What are you trying to do here? It looks like ...

más de 13 años hace | 0

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Eigenvectors of Complex Matrix
The regular EIG function seems to work: A =[0 1+i 2i 3;1+i 0 3 1+4i;2i 3 0 1i;3 1+4i 1i 0]; [E,V] = eig(A)

más de 13 años hace | 0

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Parse a cell array of strings without looping
C = {'122.8233,216.1323,671.8740' '122.8233,216.1323,671.8740' '122.8233,216.1323,671.8740' '122.8233,...

más de 13 años hace | 0

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Repeating one loop without adding data to the array
From your description, you only want the variable 'nest' to grow and the FOR loop to continue if newnest is less than oldnest. ...

más de 13 años hace | 0

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Advanced logical matrix indexing
Given this array: A = [1 1 1;2 2 2;3 3 3] % Must be n-by-n % Remove the ith element of each ith column. B = reshape(A...

más de 13 años hace | 0

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changing the Extent property in UIcontrol?
I suggested to you yesterday to read the <http://www.mathworks.com/help/matlab/ref/uicontrol_props.html documentation on uicontr...

más de 13 años hace | 0

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why does pushing buttons affects my GUI?
You might want to use the WindowKeypressfcn instead. Having said that, you might want to consider your overall design. Part of...

más de 13 años hace | 1

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problem with the min function or the 1.8509e+007 ??
There is no problem that I can see. Yes, 1.847e7 is less than 1.851e7 and 2.396e7. Why would you expect anything else?

más de 13 años hace | 1

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difference between buttondownfcn and keypressfcn
Buttondownfcn is for the mouse button. docsearch('uicontrol properties')

más de 13 años hace | 0

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how to count key presses in limited time?
One could also do it without the use of a timer, simplifying things greatly. Note that I reused a lot of Jarrod's code... ...

más de 13 años hace | 0

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how to convert grey-code to binary code & vice-versa?
B = sort(A)

más de 13 años hace | 1

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What does monotically increasing means?
Monotonically increasing means that each value is larger than the previous value. Yes = [1 2 3 4 5 6] No = [1 1 3 4 ...

más de 13 años hace | 0

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Writing separate variables into 1 variable in workspace
Your question is very confusing. I think you mean something like this: % These are the given arrays. A = 1:10; B = 1...

más de 13 años hace | 0

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What does this matlab statement mean?
The FIGURE command creates a new MATLAB figure, and the [] is passing an empty argument to the second input of the IMSHOW functi...

más de 13 años hace | 1

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Reverse an array by for loop
An in-place FOR loop would look like: a = 1:10; L = length(a); for ii = 1:L/2 T = a(L-ii+1); a(L-ii+...

más de 13 años hace | 0

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Replace NaNs with previous values
Johannes, notice that your solution will fail if the first value in a column is nan. Rather than looking for a vectorized solut...

más de 13 años hace | 4

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Evaluating a cell array of function handles
Exactly as you have made it, C{1} is a function that takes no input arguments. Try this instead: C{1} = matlabFunction(T...

más de 13 años hace | 0

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How can I get estimated coordinates after performing transformation?
Have you looked at <http://www.mathworks.com/help/images/ref/tformfwd.html TFORMFWD>?

más de 13 años hace | 0

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deleting entries across all fields of a structure
An example: % Create a structure with multiple fields. S.a = rand(1,100); S.b = rand(1,100); S.c = rand(1,100); ...

más de 13 años hace | 2

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Need to match Data
B(A(:,1),2) = A(:,2)

más de 13 años hace | 1

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