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How to change the number of digits over 15.
digits = 40; % Only works if you have the symbolic toolbox But this only applies to symbolic variables. You cannot get mo...

14 years 前 | 0

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Best way to rename a loaded variable?
Say you have the name of your variable: VAR = 'S'; Now you want to load that variable, but with the name T. This method...

14 years 前 | 21

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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...

14 years 前 | 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...

14 years 前 | 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) ...

14 years 前 | 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...

14 years 前 | 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...

14 years 前 | 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...

14 years 前 | 0

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

14 years 前 | 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.

14 years 前 | 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...

14 years 前 | 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: ...

14 years 前 | 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 ...

14 years 前 | 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...

14 years 前 | 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)...

14 years 前 | 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...

14 years 前 | 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...

14 years 前 | 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)

14 years 前 | 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'}...

14 years 前 | 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...

14 years 前 | 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....

14 years 前 | 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(...

14 years 前 | 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...

14 years 前 | 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 =...

14 years 前 | 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...

14 years 前 | 2

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

14 years 前 | 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...

14 years 前 | 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...

14 years 前 | 1

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

14 years 前 | 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...

14 years 前 | 8

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