Respondida
How to delete the duplicate number or using unique in the cell?
A={[3];[6 8 3];[5];[10 5]}; k = repelem((1:numel(A))',cellfun(@numel,A)); B = cell2mat(cellfun(@(x)x(:),A,'un',0)); [a,b] =...

alrededor de 7 años hace | 0

| aceptada

Respondida
vectorization of symmetrical matrix with off-diagonal vectors multiplied with 2
k = 2; o = ones(size(H)); Hl = H.*(tril(o,-1)*(k-1) + 1); out = Hl(tril(o)>0); or e = H.*((k-1)*(1-eye(size(H))) + 1); o...

alrededor de 7 años hace | 0

| aceptada

Respondida
How to get the corresponding logic value based on the sum of vector elements
A = [1,1,2,3,5]; my_input = 5; out = []; n = numel(A); ii = 1:n; for jj = 1:n k = nchoosek(ii,jj); r = sum(resh...

alrededor de 7 años hace | 0

| aceptada

Respondida
How to find out the impact of independents variables on dependent variable?
Let A - array of your data (365 x 5) : evapotranspiration, temperature, solar radiation, relative humidity and wind speed c = c...

alrededor de 7 años hace | 0

Respondida
Search all elements from from array A in array B and write it workspace
Output = A(ismember(A,B))

alrededor de 7 años hace | 0

Respondida
How to pick next value from vectors based on a condition?
m = 5; [value,ii] = max(A(m:end)); index = ii + m - 1;

alrededor de 7 años hace | 0

| aceptada

Respondida
Count the same element in a large rows of one column
Let A - your vector (421 x 1): [a,~,c] = unique(A); out = array2table([a, accumarray(c,1)],'v',{'value','times'});

alrededor de 7 años hace | 0

Respondida
how to change data from 10 minutes to hour?
In R2016b: T = readtable('data.txt','ReadVariableNames',false,'Format','%q %q %f'); TT = sortrows(timetable(T.Var3,'RowTimes',...

alrededor de 7 años hace | 1

| aceptada

Respondida
How can i find the all the positions of elements in cell and record them all in an the same cell
f = fopen('data.txt'); str = textscan(f,'%s','delimiter','\n'); fclose(f); str = regexp(str{1},'\w+','match','once'); [a,b,c] ...

alrededor de 7 años hace | 0

Respondida
How can i find the sorted indexing of the array
A = [2 9 6 5 8]; n = numel(A); AA = [A;1:n]; swapped = 1; while swapped swapped = 0; for ii = 1:n-1 if AA(1,ii+1...

alrededor de 7 años hace | 0

| aceptada

Respondida
how to convert num to string ?
x ={... [22] '22 .8 ' [30] '39 .6 ' [44] [48] '49 .6 ' '50 .8 '}; lo = cellf...

alrededor de 7 años hace | 0

Respondida
Matrix Average beside the numbers
M =[ 1 2 3 6 5 4 7 8 9]; X = conv2(M,ones(3),'same')./conv2(ones(3),ones(3),'same');

alrededor de 7 años hace | 0

Respondida
How can I mat2cell the array?
out = mat2cell([v{:}],1,[3,3,4,3,3]);

alrededor de 7 años hace | 0

Respondida
How to repeat the condition for two matrices having different sizes?
I edited the answer. out = A > B(:,:,mod(0:size(A,3)-1,size(B,3))+1);

más de 7 años hace | 1

| aceptada

Respondida
How to concentrate matrices of different row length (same column length) into one matrix by unfolding each of the matrices to the smallest row length conatining numbers not nan
M = struct2cell(H); n = min(cellfun(@(x)find(all(~isnan(x),2),1,'last'),M)); M = cellfun(@(x)reshape(x(1:n,:)',1,[]),M,'un',0)...

más de 7 años hace | 1

| aceptada

Respondida
How to reset the sequence number for the sequence number in vector?
In your case: [~,~,vec2] = unique(vec);

más de 7 años hace | 3

| aceptada

Respondida
How to multiply each element of a matrix by another matrix
Use function kron: >> B = reshape(1:9,3,[]) B = 1 4 7 2 5 8 3 6 9 >> A = 2*[1,1;1...

más de 7 años hace | 1

| aceptada

Respondida
simple code for the log computation
X = [1, 2, 3, 5, 6]; M = log10(X);

más de 7 años hace | 1

Respondida
select rows satisfying a particular condition
% Let A - your array. [ii,jj,v] = find(A); z = [ii,jj,v]; z = sortrows(z,[1,2]); out = accumarray(z(:,1),z(:,3),[],@(x){fu...

más de 7 años hace | 1

| aceptada

Respondida
How to find the given index values in a array?
in R2016b T = readtable('Sheet2.xls','ReadVariableNames',0); lo = T{:,2:end} ~= 0 & ~isnan(T{:,2:end}); [ii,~] = find(lo); o...

más de 7 años hace | 1

| aceptada

Respondida
Check common elements in two vectors and remove them from both the vectors leaving any duplicate. (Example Inside)
a1 = unique([A(:);B(:)]); s = size(a1); [~,iA] = ismember(A(:),a1); [~,iB] = ismember(B(:),a1); ii = (accumarray(iA,1,s) - a...

más de 7 años hace | 0

Respondida
Row index exceeds matrix dimensions
T = array2table(A); m = varfun(@mean,T,'GroupingVariables',1); out = A; [~,~,ii] = unique(A(:,1)); out(:,2:end) = out(:,2:en...

más de 7 años hace | 1

| aceptada

Respondida
Using kron to create a large matrix
n = 11; A = [-4 2 0;1 -4 1;0 2 -4]; %main diagonal m = size(A,1); mn = m*n; o1 = ones(mn,1); out = full(spdiags([o1,repma...

más de 7 años hace | 0

| aceptada

Respondida
placement of elements from a matrix into another matrix
%{ block of code by Rupsana - initial and final submatrix values and initial matrix A: %} tot_row=5; tot_col=10; left_co...

más de 7 años hace | 1

| aceptada

Respondida
A command like "unique" for matrices?
A=[1;2;3]; C=[4;5;6]; M = [repmat(A,2,1);C]; out = reshape(unique(reshape(M,3,[])','rows','stable')',[],1);

más de 7 años hace | 1

Respondida
How can i seperate a string in all possible smaller ones without using for loops;.
a = 'ATGCA'; out = cellstr(a((1:end-1)' + [0, 1]));

más de 7 años hace | 0

Respondida
How to make faster row-wise Matrix multiplication ?
Just use: out = permute(A,[3,2,1]).*B;

más de 7 años hace | 1

| aceptada

Respondida
short programs to subtracts rows from a matrix of n length
Z = squeeze(sqrt(sum((T - permute(X,[3,2,1])).^2,2)));

más de 7 años hace | 0

| aceptada

Respondida
How would I put this in a for loop ?
T = 1; % Period Vm = 1; % Voltage amplitude v = {@(t)Vm*sin(4*pi*t/T); @(t)2*Vm*sin(4*pi*t...

más de 7 años hace | 0

Respondida
How do I create a random row matrix with some fixed positions?
a = [ 11 3 14]; b = 1:20; c = setdiff(b,a); n = numel(c); out = [a, c(randperm(n))];

más de 7 años hace | 0

| aceptada

Cargar más