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how to change a number randomly???...
labels(randperm(numel(labels)))

más de 11 años hace | 0

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white grid on black axes?
set(gca,'col','k','xcol','w','ycol','w')

más de 11 años hace | 0

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How can I substitute a function into another equation to plot the answer?
f = @(a) (2048 + 128*a.^6 + a.^12 + sqrt(16384 + 2048*a.^6 + 80^12 + a.^18)).^(1/3); r =@(a) (1/16)*( a.^4 + a.^8./f(a) + f...

más de 11 años hace | 1

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Respondida
How can I count the number of occurences of elements within vectors from randsample?
POP = 'abcdefghijklmnop'; N = 1000; M = 5; x = zeros(N,M); for a = 1:N x(a,:) = randsample(POP,M); % Eac...

más de 11 años hace | 0

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Respondida
how to assess the standard error of coefficient estimates with regress function
Was your other question answered sufficiently? If so, please accept the answer and close that question before asking it again.....

más de 11 años hace | 0

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array shifting problem, help
V = [6 5 4 3 0 1 2 4 0 0 0] V = [V(2:end-1) 0]

más de 11 años hace | 0

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Respondida
Find a row in a matrix in faster way
Here is a faster method, in the script I use to compare: M1 = rand(1000,8)>.5; M2 = rand(1000,8)>.5; tic % M...

más de 11 años hace | 1

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Why after plotting on axes the ButtonDownFcn doesn't work?
>> AxesH = axes('ButtonDownFcn', 'disp(''Axes click!'')'); Axes click! Axes click! >> plot(1:10) % Now clicking doe...

más de 11 años hace | 2

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Respondida
Using multiple strings to name a variable
*Don't do it!* It is highly recommended that you do not create variables this way, as you will have no end of trouble dealing w...

más de 11 años hace | 1

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Respondida
How to calculate R-square using robust linear regression function
[brob, rob_stats] = robustfit(x,y); rsquare = corr(y,brob(1)+brob(2)*x)^2

más de 11 años hace | 0

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Error: 'model' parameter must be a string."what should I do?!!!
From the help (which you can read too!): _SimOut = sim('MODEL', PARAMETERS) simulates your Simulink model, where 'PARAMETERS'...

más de 11 años hace | 0

Respondida
How can I change axes labels?
set(gca,'ydir','normal')

más de 11 años hace | 0

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Respondida
Simple question about vector remainders
y = mod(x,20).*(x>20) % if no x>40 Or if some value may be greater than 40, y = max(x-20,0)

más de 11 años hace | 1

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surfs and meshplot problem
[M,EPS] = meshgrid(1:30,11:40); v = 3; Z = exp(M.*log(EPS)+v.*EPS); surfc(M,EPS,Z) set(gcf,'render','zbuf')

más de 11 años hace | 0

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Unwanted figure transparency in Windows 7
It might help if you set the renderer to zbuffers. set(gcf,'render','zbuffers') But if you have any transparent graphi...

más de 11 años hace | 0

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how to do a TRENDLINE (polyfit?how?)
See the help for the <http://www.mathworks.com/help/matlab/ref/polyfit.html POLYFIT> function. I see you edited the question ...

más de 11 años hace | 0

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Print a message if a condition is met
x = [1;2;3;4]; p = [1.5;3.5;3.2]; idx = x(1:end-1)<p & p<x(2:end); SOL = p(idx)

más de 11 años hace | 0

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Key presses associated with colour
I have no idea what you are doing by looking at the code as there is too much left out. But from your description, this _might_...

más de 11 años hace | 1

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Hello! How can I make MATLAB return the smallest, positive, purely real value from a column matrix?
Uf = [0.84888 + 0.74301i -1 0.31434 + 1.1736i 0.31434 - 1.1736i 3 -0.4...

más de 11 años hace | 3

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Respondida
How to find the location of a minimum value in cell array?
L = cellfun(@(x) find(x==1),q,'Un',0); Now L has all the information you need.

más de 11 años hace | 0

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Respondida
How to create a personalized colormap?
You can easily do it. Make the surface go from white to red as you say... peaks(100); set(findobj('type','surf'),'e...

más de 11 años hace | 0

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Sum of previous elements in a matrix(dynamic way)
Say your matrix is like: A = [1 2 3; 4 5 6; 7 8 9; 10 11 12; 13 14 15; 16 17 18]; ...

más de 11 años hace | 0

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Change Default White for Zero in Contour Plot
That produces no contour plot at all... C = contourf(longitude,latitude,temp) Warning: Contour not rendered for constant...

más de 11 años hace | 0

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Plotting [1,n) cell arrays against each other
Try your code without calling the AXIS function. Judging by your data you do not have cell arrays, you have numeric arrays and ...

más de 11 años hace | 0

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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...

más de 11 años hace | 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...

más de 11 años hace | 20

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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...

más de 11 años hace | 0

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

más de 11 años hace | 0

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