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How permutate 2-by-2 matrices in a single matrix
a = [1,2;3,4]; b = [2,5;1,6]; c = [3,7;2,4]; abc= {a,b,c}; abc=perms(abc) abc=cell2mat(abc)

mehr als 3 Jahre vor | 0

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How do I split an array into small array of fixed size with increments by 1?
A=randi(10,1,10) k=4; B = hankel(A(1:end-k+1),A(end-k+1:end))

mehr als 3 Jahre vor | 1

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What kind of Interpolation Algorithm Will be Applicable for the Following data set to obtain smooth curve?
It looks like your data has a couples of pairs/tripples that are closely spread. I suggest to merge thme to a single point then...

mehr als 3 Jahre vor | 0

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Finding unique closest point corresponding to latitude and longitude vectors for a given point with shortest distance.
Use dsearchn on lon/lat is wrong. The right procesure is convert lat/lon to 3D coordinates (for both list P and PQ use dnsear...

mehr als 3 Jahre vor | 1

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Generate all permutation or possibilities
s='locate' n=3; c=nchoosek(s,n); c=reshape(c(:,perms(n:-1:1)')',n,[])'

mehr als 3 Jahre vor | 0

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Solve system of equations with some knowns and unknowns in the same matrix
% Random example A = rand(5,5); x = rand(5,1), b = A*x, [m,n] = size(A); % put NaN at the position where x is unknown; x...

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How do I extract the first non-zero value from array after specified number of zeros?
Basic for-loop programing x=[1,2,0,0,3,4,0,5,6,7,8,9,0,0,0,0,0,0,0,0,0,0,0,0,0,11,12,13,0,14,0,0,15,16,17,0,0,0,18,19,0,0,0,0,0...

mehr als 3 Jahre vor | 0

Beantwortet
Load and Save using PARFOR Loops
Normal parfor ii = length(files) should be parfor ii = 1:length(files)

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Model fit using fminunc based on measured data
kB = 8.617 * 1e-5; % in eV/K x1 = [233; 264; 295; 326]; % temperatures x2 = [420000; 970000; 3800000; 10000000]; % lifetimes ...

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converting uint8 to double in a faster way
dotspos = double(cat(4,temp.cdata));

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Finding the most common element in the first row of a matrix
Use mode command [v,f]=mode([ 2 3 4 5 5 5 6 7 7])

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Alternative ways to generate a structure from strings without using eval?
If you want to avoid EVAL you can parse the char array and transform it to S and B arguments of subsasgn function Do the same w...

mehr als 3 Jahre vor | 1

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concatination of matalb structures with diffrent set of fields in recursive call
Try to include the following function and replace in your code cat(1, ...) by catstruct(1, ...) function S = catstruct(dim...

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Variable in function as well as integral boundary
I have no idea if the code correspondons to the formula; I just modify your code to make it work on array theta = 1:90; A = 0....

mehr als 3 Jahre vor | 2

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Which one is the right answer, sum(w(:)) or sum(sum(w))?
"Since I am quite new to MATLAB, can anyone tell me, is there any other function or Best Practical method to solve such problem?...

mehr als 3 Jahre vor | 0

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How would you make these for loops dynamically recursive?
https://fr.mathworks.com/matlabcentral/fileexchange/17818-all-permutations-of-integers-with-sum-criteria It will return 6435 so...

mehr als 3 Jahre vor | 1

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what precautious should i follow before upgrading to higher matlab version?
If you use third party compilers make sure it is still supported by the new version. In general make sure your PC meets the req...

mehr als 3 Jahre vor | 1

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Permutation with repeating elements.
Just brute force of filter out what is considered as duplicated g = [1 1 2 2 3 3 3]; x = 1:7; p = perms(x); [~,i] = unique...

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How to step through vector permutations in a parallel loop, without generating all permutations in advance?
function getenumperm bellow enumerates the permutation of 1:n n = 4; for k=1:factorial(n) % or parfor p = getenumperm(k, ...

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matrix multiplcation in loop
X is three dmiensions nit 4 as you wrote A=[2 3; 4 5]; B=[3 4; 5 6]; X = B .* reshape(A.', 1,1,[])

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Change sequence of consecutive trues to falses, in logical array
x=[true;false;false;true;true;true;true;true;false;true]' x & ~([false,x(1:end-1)]&[x(2:end),false])

fast 4 Jahre vor | 0

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Can anyone tell me how to generate a binary orthogonal complement of a given binary matrix ??
I'm not expert of calculation in finit field, so just use brute force, there are 63 vectors that are orthogonal to the s you pro...

fast 4 Jahre vor | 0

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I have several multiple cell arrays with different sizes, and I want to find the intersection of all the arrays at the same time
This is what you want https://fr.mathworks.com/matlabcentral/fileexchange/66614-mintersect-varargin

fast 4 Jahre vor | 0

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Find maximum of quadratically constrained quadratic problem using MATLAB
The problem of least-square minimization under quadratic constraints is known to might have many local minima. So if you use fmi...

fast 4 Jahre vor | 1

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A compact way to find max in one column with a condition on the second column
a = [35 -1 21 1 11 2]; max(a(a(:,2) ~= -1,1))

fast 4 Jahre vor | 0

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How do I speed up my variable lookup algorithm?
Try this % Fake data slantvals = randi([0 10], 1, 224*320*320); var = rand([5,5,5]); slantinds = randi(length(var),[numel(sl...

fast 4 Jahre vor | 0

Beantwortet
how to find correlation of a row with all the other rows of a matrix ?
If you have the right toolbox, use https://fr.mathworks.com/help/stats/corr.html

fast 4 Jahre vor | 0

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How to use the SUM() function..?
You overshadow sum function make sure to run clear sum before runing your code

fast 4 Jahre vor | 0

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Beantwortet
Efficient way to assign indices to variables in a matrix
Timings with my brand new laptop with Jan's code Elapsed time is 0.004218 seds. % ISMEMBER Elapsed time is 0.001169 seconds. %...

fast 4 Jahre vor | 1

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An error in filtfilt
Don't tranpose your date if you want to filter along the long dimension sig= P01EC1(:,:);

fast 4 Jahre vor | 0

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