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sortrows
sortrows(I,-1)

約15年前 | 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...

約15年前 | 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{:}...

約15年前 | 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...

約15年前 | 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...

約15年前 | 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.

約15年前 | 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.')

約15年前 | 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 ...

約15年前 | 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...

約15年前 | 0

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

約15年前 | 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...

約15年前 | 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...

約15年前 | 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,[])

約15年前 | 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).*(...

約15年前 | 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, ...

約15年前 | 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...

約15年前 | 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...

約15年前 | 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...

約15年前 | 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...

約15年前 | 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.

約15年前 | 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...

約15年前 | 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')

約15年前 | 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 ...

約15年前 | 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...'); % ...

約15年前 | 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...

約15年前 | 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 = ...

約15年前 | 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.

約15年前 | 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...

約15年前 | 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...

約15年前 | 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...

約15年前 | 5

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