Answered
how to append matrix in a loop
s1 = [1,0,1,1,0]; s2 = [2,4,3,1,2]; v = repelem(s1,s2)

5 years ago | 0

Answered
How to combine to identical 'for' loops with sequential varying variables ?
Numbering variables like that is completely the wrong approach and should be avoided. One better approach is to use a container...

5 years ago | 0

| accepted

Answered
for loop with vectors having different sizes
a = {[1,2],[3,4,5]}; p = {[6,7],[8,9,10,11]}; c = 'trial'; for k1 = 1:numel(a) for k2 = 1:numel(p) s = sprintf(...

5 years ago | 0

Answered
using natsortfiles to import csv files correctly
Taking a guess that you actually want to match the last integer, not just the last digit: S = natsortfiles(S,'\d+^$'); % alphan...

5 years ago | 0

Answered
Read multiple .CSV files with csvread using a loop
V = 0:4; N = numel(V); C = cell(1,N); for k = 1:N F = sprintf('droplet.%d.csv',V(k)); C{k} = readmatrix(F,'NumHeade...

5 years ago | 0

| accepted

Answered
Convert cell array to matrix with two columns and sort rows by first column value
More robust and more efficient than using cell2mat: M = vertcat(Cell_x{:}); M = sortrows(M,1)

5 years ago | 0

| accepted

Answered
evaluate function handle (determine the value of function handle using my code
Defining lots and lots of function handles is not an efficient approach. One function is much simpler: myfun(30) function hf...

5 years ago | 0

| accepted

Answered
Search/Find sub strings in a string
This matches abbreviations followed by one digit (thus avoiding the Ra/Rag matching problem): C = {'Ra','Bt','Rag','Rg','Vm','S...

5 years ago | 1

Answered
Modify Repmat function to concatenate array
V = [0,1,2,3,4]; n = 3; X = [1,10*(1:n-1)]; Z = kron(X,V)

5 years ago | 0

| accepted

Answered
How to display the Index of a matrix to other corresponding matrices
A = [8,3,5;2,4,6;9,3,4] B = [4,11,5;9,3,2;4,8,1] C = [11,40,3;10,7,5;11,3,60] [v,x] = min(A(:)); B(x) C(x) Or without resh...

5 years ago | 0

| accepted

Answered
How to create a symetric matrix with a vector?
A general solution using indexing: V = [1,2,3,4,5] X = 1:numel(V); M = V(max(X,X.'))

5 years ago | 1

| accepted

Answered
Undefined function 'eq' for input arguments of type 'cell'. Undefined function 'gt' for input arguments of type 'cell'
@ASHU DAYAL CHAURASIYA: the error message clearly tells us what the cause of the error is: one (or both) of the arrays is actual...

5 years ago | 0

Answered
Set default value if no function input given
You did not count the input t when using nargin. You can include the number of inputs before varargin in the logical comparisons...

5 years ago | 0

| accepted

Answered
table in for loop
Just use a cell array: n = 5; C = cell(1,n); for j=1:n x=rand(5,1); y=rand(5,1); C{k} = table(x,y); end Note...

5 years ago | 0

| accepted

Answered
Removing non integer values from an array.
V = [1,23,pi,4,5.6] V(fix(V)~=V) = []

5 years ago | 1

Answered
Call a Function in Another Function, Prepare the Argument as a String
"Is there a general limitation in passing character arrays or strings as input to a function in MATLAB?" No, but the way you ar...

5 years ago | 1

| accepted

Answered
Read Variables with assigned values from excel into Matlab
Note how the file itself contains invalid variable names: they contain space characters which in all of your comments you have s...

5 years ago | 1

| accepted

Answered
Substracting previous value in a matrix and assigning it to a new matrix
a = [ 1.6766 0.6118 0.3707 0.0771 0.0010 0.2057 0.1219 0.2438 2.2065 0.8679 0.4766 0.087...

5 years ago | 0

| accepted

Answered
Findgroups, order of unique values in an array
[ID,~,G] = unique(labels_all,'stable')

5 years ago | 0

| accepted

Answered
Convert matrix to cell knowing the number of components to have in each cell
idx = [2;4;3]; data = [ 0.7922 0.3922 0.9595 0.6555 0.6557 0.1712 0.0357 0.7060 0.8491 ...

5 years ago | 1

| accepted

Answered
storing values of for loop in a matrix
x = -60:0.5:-50; y = -10:0.5:-5; z = nan(numel(x),numel(y)); % better to preallocate array. for i = 1:numel(x) for j = 1...

5 years ago | 0

| accepted

Answered
Can I use logical indexing to find how many times a character is in a string?
You can perform logical comparisons on a character array (they are not very different from numeric arrays): str = 'some random ...

5 years ago | 1

| accepted

Answered
How to quickly obtain the row indices in the original matrix A for a sub-matrix B?
[~,Y] = ismember(B,A,'rows')

5 years ago | 0

| accepted

Answered
Efficient indexing. Index array generating.
data = 1:1000; array1 = 1:10:101 idx = array1(:)+(0:2); out = data(idx)

5 years ago | 0

| accepted

Answered
How can i output an answer when making an app so that it has a set number of decimal places.
sprintf('%.3f',0.07) sprintf('%.3f',1)

5 years ago | 1

Answered
Index exceed the number of array elements
tmp = find(V_ref == V_Target):max(V_ref); for v = reshape(tmp,1,[]);

5 years ago | 0

Answered
Combine each column of two array side by side and add new column to new array
A = [0.6 0.7 0.8; 0.2 0.5 0.25; 0.9 0.7 0.1] B = [11 12 13; 17 18 19; 21 24 26] C = reshape([A;B;A+B],size(A,1),[])

5 years ago | 0

| accepted

Answered
Afficient way to create "sum matrix"
g = 1:3; m = g+g(:)

5 years ago | 0

| accepted

Answered
How to get struct results in a loop?
data(i,:) = FnCarbona(i).ponteiro(); % ^^ indexing needs to specify what happens to all 50 elements.

5 years ago | 0

| accepted

Answered
Extracting specific data from a cell array
After the loop: M = vertcat(A{:}); out = M(:,[9,11])

5 years ago | 0

| accepted