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sortrows
sortrows(I,-1)

circa 15 anni fa | 0

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How should I scratch this ticket?
function [R,cnt] = winning_numbers() % Generates 6 winning numbers on [1 25] and returns a seed to the % twister algori...

circa 15 anni fa | 2

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what does {:} mean?
When used alone, it means to display all contents of a cell array. C = {magic(3);'how';rand(1,2);'pizzaz';magic(8)}; C{:}...

circa 15 anni fa | 1

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Attempting to rearrange a 3x3 "magic" matrix
If it must be done using storage techniques (as you seem to be suggesting), simply work your way down the matrix. M = magic(3...

circa 15 anni fa | 0

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help me please
Thanks for showing some work. Here is how one could approach the first task: n = 10000; m = 100; PROB = zeros(1,m); f...

circa 15 anni fa | 1

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GUI picture is already loaded in axes when GUI opens
In the gui_OpeningFcn, put: cla reset(gca) % Should undo the zoom.

circa 15 anni fa | 1

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plot of a string vector vs numeric vector
y=[1 2 3 4 5 6] x=['a','b','c','d','e','f'] plot(y) set(gca,'xticklabel',x.')

circa 15 anni fa | 9

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Matrix/Image Merging
Kyle, what to do when multiple matches are found in B, since your example B has duplicates? % % % % % *EDIT* In response ...

circa 15 anni fa | 1

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guidata doesn't work (the way I expected it to)
The handles structure and the stuff stored in GUIDATA are not the same thing. If you want to be able to store new stuff in a st...

circa 15 anni fa | 0

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Adding new fields to a dataset array?
tmp.ID(1:5) = {'100'}; % If 5 is the size you want.

circa 15 anni fa | 0

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Beginner's roblems with arrays
I cannot see a clear pattern since you are setting timestep(3,T(1,2)+1:T(1,3)) = V(1,2); Now if it was THETA(2), that we co...

circa 15 anni fa | 0

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euclidean distance,output
You could make a little function: function y = mydist(x) % Takes a three digit binary string argument. switch x ca...

circa 15 anni fa | 0

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reshaping
A = [1 0 1 0 0 0 1]; B = [1 1 1 0 0 0 1]; s = reshape([A;B],1,[])

circa 15 anni fa | 0

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Help in solving an integral using MATLAB
f = @(x,y)(1./((3.11e-6)-((2.25e-6).*(((1-((x.^2)./(1e-8))).^2).*((1-((y.^2)./(1e-8))).^2).*(1+((1.1e-8).*(x.^2))+((1.1e-8).*(...

circa 15 anni fa | 1

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index exceeds matrix dimensions??
while a<=size(dH_df,1) && dH_df(a,b)<0.80 %line 199 If you want to find the row position of values between 0.80 and 0.85, ...

circa 15 anni fa | 0

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I set up a GUI with guide, but the input variables are not getting set.
Do you mean you want to pass parameters to set the initial of, say, an editbox or two? If so, you can access anything passed in...

circa 15 anni fa | 0

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File name is too long using IMREAD in GUI
I assume your error is on the line defining I. Put this right before that line and look at what is being passed. You are likel...

circa 15 anni fa | 0

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Setting Array Value
Another: A = repmat([1,3,1,7],3,1) % change the 3 to 5 to get 5 rows, etc...

circa 15 anni fa | 0

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Finding a minumum range of sequential values
What else does your data look like? Is it ones and zeros? Integers only? A single row vector, or matrix? Give all the detail...

circa 15 anni fa | 2

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Integration problem with a power/time curve
trapz(x,y) should give you W-Day. So take that answer and multiply by 24.

circa 15 anni fa | 0

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plotting selected lines from a matrix
I still think you meant to plot the columns, not the rows. But this works for me: test = repmat(magic(3),[1 1 4]); te...

circa 15 anni fa | 1

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Splitting a string of numbers and '|'
str = '1 | 2'; S = regexp(str,'\d+','match') Now S is a 1-by-2 cell array. strcmp(S{1},'1') strcmp(S{2},'2')

circa 15 anni fa | 2

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Manipulating graph interactively
I am not familiar with this function, but you could put a slider in the same figure with the axes and have the callback for the ...

circa 15 anni fa | 0

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waitbar + surf functions. are they incompatible?
From the help for WAITBAR (always a good place to look with any funciton!), we have this: h = waitbar(0,'Please wait...'); % ...

circa 15 anni fa | 0

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Cut and re-join strings
Rather than using a verbal description, show us what you want. For example, if you start with these: pat = 'MATLAB'; st...

circa 15 anni fa | 0

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Using handle graphics for more global variables
G = guidata(gcbf); % Get the application data G.newvariable = 5; % Store new variables in this data. G.newvariable2 = ...

circa 15 anni fa | 0

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Update Graph With Data Input
You need to put the code which updates the plot in the slider callback. After this code, put a call to DRAWNOW.

circa 15 anni fa | 0

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saving or not matrices
if ~all(isnan(A(:))) % Do the saving. end But it seems to me that *_if_* the only source of nans is from when you rep...

circa 15 anni fa | 0

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Matlab function
If you have an explicit function of one variable, you might have luck with a Newton's method <http://www.mathworks.com/matlabcen...

circa 15 anni fa | 1

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How do I round to the nearest arbitrary, enumerated value in MATLAB?
One approach: roundTargets = [0 2.7 8 11.1]; v = [0.1 2.2 1.6 7.3 10]; vRounded = interp1(roundTargets,roundTargets,v...

circa 15 anni fa | 5

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