Community Profile # Alberto

2014 이후 활성

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How to plot dendrogram and stars for pair-wise significance levels in anova?
Something like this? load carbig X = [MPG Acceleration Weight Displacement]; [d,p,stats] = manova1(X,Origin); mano...

6년 이상 전 | 0

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create structure variable within loop using strings??
for dive = 1:10 for n = 1:3 data_split(dive).( ['n',num2str(n)]).('var')=var end end ...

6년 이상 전 | 1

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Is A./B different from B.\A?
Both are pointwise, but A./B divides every element in A by the same element in B. A.\B divides every element in B by the same e...

6년 이상 전 | 0

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How to make long title for a plot with automatic line breaks?
Multiline can be done using this syntax: figure; str=['Line1', '\n', 'Line2']; s=sprintf('Hello\nGoodbye'); t...

6년 이상 전 | 0

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Matlab Newton-Raphson Solver - Catenary Problem
This is not the place to get a full solution for your homework. Here you are a few links to start your part: <http://es.mathw...

약 7년 전 | 0

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Remove "( )" from string words
You should use regexprep to replace anything that matches with parenthesis with an empty string; the pattern that matches any pa...

약 7년 전 | 0

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약 7년 전 | 0

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Integration numerical with variable limits
There is a general solution using symbolic tools. syms x y fxy=1./x+1./y; xmin=0; xmax=2*y; ymin=0; ymax=+in...

약 7년 전 | 1

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finding minimum in a region
Hello: fminsearch solve unconstrained minimum problems only. If you need to impose restrictions you should use (for example)...

약 7년 전 | 0

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Is it possible to call on specific stimuli in a set and randomize it based on it's name.
You can do that using Regular expressions (so you can choose which files has the desired attribute) and the command dir so you c...

약 7년 전 | 0

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Sending DOS command to execute Matlab Function and getting the output back to DOS
You have the command 'dos' so u can interpret some DOS command line, and catch the result of it. I extracted a few lines in the...

약 7년 전 | 1

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Why am i getting an Inf value when i am calculating definite integral in symbolic math toolbox?
Your problem is that you are trying to integrate a function say F(y)=(Y-y)^2, but using t as integration variable. That means th...

약 7년 전 | 0

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comparing vectors for max and min
Functions max and min do the trick: a=randi(9,1,10) b=randi(9,1,10) vect_max = max(a,b) vect_min = min(a,b)

약 7년 전 | 1

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Help with a System of linear inequalities (with 12 variables)
There is a simple way to solve the linear system of equalities, instead of using inequalities. You are trying to solve what is c...

약 7년 전 | 0

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How to solve this equation S= integrate((1-2*x).^2)./((x-x.^2).^2)) dt
This is how you should try: syms x f=((1-2*x).^2)/( (x-x.^2).^2 ) int(f) ans = 2*log(x - 1) - 2*log...

약 7년 전 | 1

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How to automatically continue running the program after an error.
You should try to catch the error using the structure try/catch structure: try statements catch exception ...

약 7년 전 | 1

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Can a youtube video be embedded in html via publish?
Here is a how-to example; try publishing this code: %% HTML + Youtube % <html> % <iframe id="ytplayer" type="text/h...

약 7년 전 | 2

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How do we use blockproc to process my image to compute the difference?
*blockproc* function divide your image in block, you decide the size of the blocks, and applies the function you want to each b...

약 7년 전 | 0

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Why is the polyval command giving two different answers?
Instruction roots uses an iterative numeric method to approximate the solution in float arithmetic. What you get is an excellent...

약 7년 전 | 0

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How to generate binomial data with set probability and covariation
You can generate values uniformily on [0,1], lets suppose you want to generate 100 random binomial numbers: N=100; x=rand(...

7년 이상 전 | 0

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How to sort rows of a 2D array, such that all elements along a diagonal are non-zero?
I created the function check(A), so i can check if the property 'every row and column are not all zeros'. Its useful later: ...

7년 이상 전 | 0

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How to define the range for reading a csv file
The problem here is that you can't predict how many rows the numerical data will have. I recommend extract all using a gener...

7년 이상 전 | 0

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Resolve a Complex equation in a loop WHILE

7년 이상 전 | 0

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How can I sum only few values in a diagonal matrix?
Sum=0; for k=1:3 % will sum 3 first diagonal elements Sum=Sum+A(k,k); end You can change the range k=1:3 with an arra...

7년 이상 전 | 0

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Can someone please help me correct the error in my code? I'm trying to construct a superposition of two waves of equal amplitude and very similar frequency to create an envelope wave. Thanks
Check the parenthesis in the line: n(:,m) = 2*a*cos( ( (w2-w1)*t(m)*0.5) - ((k2-k1)*x*0.5))) *... cos( ( (w2-w1...

7년 이상 전 | 0

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How do I solve this particular error? First-time MATLAB user
Looks like you are using a function 'blind': there is not such command, and probably doesnt have a made up function. The poi...

7년 이상 전 | 0

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I want to get numerical input value using Edittext box in GUI and to assign that value to a variable in my file and i want to display my output Back GUI
<http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F>

7년 이상 전 | 0

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how to plot 2D graph in GUI?
function exgui fh = figure( 'units','pixels',... 'position',[50 ,50 , 600, 500]); X=[2 4 7] Y=[4 6 ...

7년 이상 전 | 0

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I am trying to find the positive roots of the equaiton y = ((exp(1).^(-0.2*x)))*(cos(2*x))-(0.15*x.^2)+1, but I keep getting the error message saying that there arent enough input arguments. I dont know what to do.