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How to remove a value from a vectort and revaluate it?
There is no need to pre-allocate M, as M is not built in a FOR loop. You are just overwriting the pre-allocation in one call, s...

environ 13 ans il y a | 0

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Plotting with different colored markers
You can set the linestyleorder. clf set(gca,'linestyleorder',{'-',':','-.','--'},... 'colororder',[0 0 1;0 .5 0;1...

environ 13 ans il y a | 0

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convert consecutive ones into alternating one/zero's
I would be surprised to find you could beat this loop: ii = 2; while ii<=length(A) if A(ii-1) && A(ii) ...

environ 13 ans il y a | 2

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Plotting values from while loop results
a = 1; while a<=100 b(a) = 2*a; a = a+1; end plot(b) In general, the more MATLABish way to g...

environ 13 ans il y a | 0

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turn 0 to 0.000
You cannot really change the underlying value too much. But as far as a display: A = [1.23,0,0.1011,5.1019,20.002]; f...

environ 13 ans il y a | 0

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Generate Only a Specific Number of Combinations
There are several functions on the FEX that do something like this. For instance: <http://www.mathworks.com/matlabcentral/fi...

environ 13 ans il y a | 0

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question about the quiver
Set the scale to zero: quiver(0,0,1,1,0) % .......scale ^

environ 13 ans il y a | 0

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Finding the row/column locations of 1s in a boolean matrix
A = rand(3)>.5; [I,J] = find(A) % I is the rows, J is the cols.

environ 13 ans il y a | 0

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how to generate a polynomial
Sharen, please fill in the blank and define the ranges: P(m,n) = _________________________ (for m = 1:size(s,1) an...

environ 13 ans il y a | 0

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Help vectorising for loop for kernel density
With these values for Y and y: Y = rand(10,1)*10; y = rand(5,1)*10; This gives the same result as your FOR loop: ...

environ 13 ans il y a | 0

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How can I sort data like this?
You need more than to simply call SORT. The SORT function sorts complex arrays *by magnitude*, which is a problem for an array ...

environ 13 ans il y a | 1

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Ho to repeat a vector?
vec = 1:5; reshape(vec([1 1],:),1,[]) % Or reshape(vec(ones(1,N),:),1,[]) to expand N times For more complex expans...

environ 13 ans il y a | 1

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Help with random in Matlab 2007b
Those functions *did not exist* in ver 2007b. Use this: % Create a random number drawn from 1 to 10 A = ceil(rand*10)...

environ 13 ans il y a | 0

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Help with infinite while loop
The problem is that ID never changes in your loop so you are just doing the same thing over and over. Change *all* 'out' variab...

environ 13 ans il y a | 0

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Error using unique command
% Sort B the same way A is sorted. % We only need two calls to SORT. [~,J] = sort(A); BSA = sort(B); J(J) = 1:leng...

environ 13 ans il y a | 0

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how do i split every digit of a string
S = '1234'; % Say this is your string.... num = S - '0'; num(1) num(2) num(3)

environ 13 ans il y a | 1

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inputdlg to call a function on click ok
There are may ways to do this: P = {'Enter a number on [1,5]: '}; N = 'Input for ONES function.'; M = 1; D = {'3'}...

environ 13 ans il y a | 0

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Can you help me to correct this error?
What are p and C? L = 60; Lr = L .* ones(3, 5); % No error...(the .* is not necessary) You have a variable named...

environ 13 ans il y a | 0

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how to use while loop
Think about this for a second: share(m,n) is _initially positive_. Then you repeatedly divide it by 5 in the inner while loop....

environ 13 ans il y a | 0

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Applying a constant function on a vector
You can specify the variable in your call to INLINE. For example, this works even if the user enters 2: f = vectorize(...

environ 13 ans il y a | 0

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Differentiate an inline function
f = inline('x^8'); % Our inline function. D8 = diff(sym(f),8) % Find the 8th derivative D8 == prod(1:8) % Check. a...

environ 13 ans il y a | 0

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All possible combinations of 2 vectors.
Here is a solution: function H = mycomb(V) % Help L = length(V); H = cell(1,L); for ii = 1:L-1 C =...

environ 13 ans il y a | 0

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How to save -struct
According to the help for SAVE, you need to call like this: save(filename, '-struct', structName, fieldNames) Note tha...

environ 13 ans il y a | 2

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Unwanted Tick Marks on second y-axis
set(AX(1),'ytick',[])

environ 13 ans il y a | 0

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Getting 'Reference to non-existent field' Error
At the time you set the callbacks, those fields did not exist in the structure. As the very last line of your main function, pu...

environ 13 ans il y a | 0

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combine elements of a large vector in matlab
>> tic, A = nchoosek(1:770,2); toc Elapsed time is 2.286846 seconds. >> tic, B = combnk(1:770,2); toc Elapsed time is...

environ 13 ans il y a | 1

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How to draw plotmatrix in logscale?
AX = findobj('type','axes'); set(AX,'yscale','log','xscale','log')

environ 13 ans il y a | 1

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List of builtin demo images
*UPDATED* To printe 2 columns instead of one. Even better for my command window (but not for this forum) is to print 3 columns...

environ 13 ans il y a | 8

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Finding the height of windows taskbar
Here is how to figure it out. First make a figure then maximize it, then look at its position. >> figure % maximize this...

environ 13 ans il y a | 0

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problem with jet colormap
That's what a colormap does.... >> help colormap colormap Color look-up table. colormap(MAP) sets the current ...

environ 13 ans il y a | 0