Respondida
How to Convert 3d matrix to row matrix???
a=rand(2,2,2) % a sample 3D matrix a b=a(:)' % is turned to the 1D row matrix b

más de 4 años hace | 2

Respondida
Plot the trapeoidal waveform using given equations
syms theta y=piecewise(... 0<=theta<2*pi/3,1,... 2*pi/3<=theta<pi,(1-6/pi*(theta-2*pi/3)),... pi<=theta<5*pi/3,-...

más de 4 años hace | 0

Respondida
How to draw an ellipse
The code discussed at https://www.mathworks.com/matlabcentral/answers/497966-how-to-find-the-vertical-height-of-an-ellipse-y-axi...

más de 4 años hace | 0

Respondida
Eigenvalues corresponds to eigenvectors
Absolutely standard: L(k,k) ~ V(:,k). You can check it with the code: for k=1:size(h,1) disp(strcat('k=',num2str(k),'; h*v-la...

más de 4 años hace | 0

Respondida
Subs Command for Multivariable Function
If e^ is the exponent and if you want to estimate the result numerically (from the question it is not quite clear what you want)...

más de 4 años hace | 0

Respondida
Partial least-squares regression evalutaion
The equation considered in PLS of Matlab is rather Y = X(:,:)*B(2:end,:) + repmat( B(1,:),n,1 ) + E, where: X is an n-by-...

más de 4 años hace | 0

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Normalization of complex eigenvector
You probably want V(:,1) = V(:,1)/norm(V(:,1)); Besides, if your theta and phi are supposed to be real, the overall computatio...

más de 4 años hace | 0

Respondida
Eigenvector without calling eigenvalues
This is not an error but a warning that you do not use the eigenvalues, which influences nothing. If you want to avoid it, subst...

más de 4 años hace | 0

Respondida
Can I check if factored and expanded polynomial forms are equal?
simplify((w^2-k^2) - (w+k)*(w-k)) ans = 0 expand((w+k)*(w-k)) ans = w^2 - k^2 factor(w^2-k^2) ans = [ -1, k - w...

más de 4 años hace | 0

Respondida
How to call some object handle from opening function of figure?
u0=findobj('Tag','lst1','Style','listbox','Parent',gcf); % search for all the object properties you used to identify it set(u0,...

más de 4 años hace | 0

Respondida
Find orthogonal complement for given matrix
B=null(A'); The matrix transposing is important!

más de 4 años hace | 2

Respondida
How can I write a loop, which can make the parameter "V" change with a cyclic variable "i"?
Use Matlab functions "strcat" and "num2str" within a loop.

más de 4 años hace | 0

Respondida
How do I calculate acceleration with velocity and the code given?
% sample data t=0:0.1:10; % time x=3+2*t+t.^2; % coordinate [t,ind]=sort(t); % in a case time is not in an ascending order ...

más de 4 años hace | 1

Respondida
How to assign numbers to letters of the alphabet. Ex. A/a=1 B/b=2
The ASCII codes can be found with the function double double('A'); 65 If you want to get its ordinal number in the alphabet, ...

más de 4 años hace | 1

Respondida
How to sum columns of a matrix in MATLAB in specified number of columns?
B=squeeze( sum( reshape(A,size(A,1),10,[]) ,2) );

más de 4 años hace | 0

Respondida
Create a gaussian from x values
L=20; V = linspace(0,L,301); sigma = L/20; T0 = exp(-((V-mean(V))/sigma).^2/2); plot(V,T0);

más de 4 años hace | 1

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extract a double array to multiple arrays
b1=aa(1:4:end); b2=aa(2:4:end); b3=aa(3:4:end); b4=aa(4:4:end);

más de 4 años hace | 1

Respondida
Importing Latex Code into Matlab Scripts
In live script, go to \insert\Equation\Latex equation or just press Cntrl+Shift+L or type your Latex equation embraced by \$ symb...

más de 4 años hace | 0

DigBit
Image Digitizer: Turn your scanned plots to the numeric form

más de 4 años hace | 1 descarga |

Respondida
How can I calculate the integral2 using sum of prod?
symprod does not support the element-wise multiplication, which is needed for integral2. You sholuld probably define your fun v...

más de 4 años hace | 1

Respondida
sorting 2 array based on elements of other array
[A,ind]=sort(A); B=B(ind);

más de 4 años hace | 0

Respondida
How to find the maximum distance between two curves?
(1) Specify, what do you mean by the distance between curves. If this is the distance between any points of them, a special (tho...

más de 4 años hace | 2

Respondida
New to Matlab- How to import a text file for analysis that contains numbers and characters?
If you need it only once (or few times), use the Import utility of Matlab (Home\Import Data - a green downward arrow); chose the...

más de 4 años hace | 0

Respondida
help speeding up an incrementing loop
At the first glance, you can replace numerator=0; for k = 1:n_trc numerator = nume...

más de 4 años hace | 0

Respondida
How to find the vertical height of an ellipse/y axis length of ellipse.
In fact, the height and the width of an ellipse can be easily and more accurately found analytically. Here is Matlab program rea...

más de 4 años hace | 1

Respondida
How to expand the Gaussian Kernel into series of eigenfunctions?
Fitst of all, you should specify --nothing can be done with an arbtrary function. Then, you can try to calculate the integrals a...

más de 4 años hace | 1

Respondida
Turn function to zero when it reach specific value.
x = linspace (0,180,1800); y = 1. * ((exp (-0.01 .* x)) .* (sin (x)-(x .* cos (x / 2)))); Pu = 30; y(find(y>=Pu,1):end)=0; ...

más de 4 años hace | 0

Respondida
How to show part of a nested structure as a vector?
sn='seine_1'; % sn=fieldnames(all_seines); % sn=sn{1}; nm=fieldnames(all_seines.(sn)); N=numel(nm); A=zeros(N,1); for k=...

más de 4 años hace | 0

Respondida
Values over 1000 use e
read matlab help on the "format" command. try "format longg".

más de 4 años hace | 0

Respondida
how to create Chi squared distribution using mean and variance?
see https://www.mathworks.com/help/stats/chi-square-distribution-1.html

más de 4 años hace | 0