Answered
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...

13 years ago | 0

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

13 years ago | 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) ...

13 years ago | 2

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Answered
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...

13 years ago | 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...

13 years ago | 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...

13 years ago | 0

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

13 years ago | 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.

13 years ago | 0

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Answered
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...

13 years ago | 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: ...

13 years ago | 0

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Answered
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 ...

13 years ago | 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...

13 years ago | 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)...

13 years ago | 0

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Answered
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...

13 years ago | 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...

13 years ago | 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)

13 years ago | 1

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Answered
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'}...

13 years ago | 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...

13 years ago | 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....

13 years ago | 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(...

13 years ago | 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...

13 years ago | 0

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Answered
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 =...

13 years ago | 0

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

13 years ago | 2

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

13 years ago | 0

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Answered
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...

13 years ago | 0

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Answered
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...

13 years ago | 1

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

13 years ago | 1

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Answered
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...

13 years ago | 8

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Answered
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...

13 years ago | 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 ...

13 years ago | 0