Azzi Abdelmalek

Last seen: oltre un anno fa | Attivo dal 2012

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University teacher
Speciality: Automatic control
Hobbies: Football, Music and Chess.

Professional Interests: Automatic Control

https://www.youtube.com/channel/UC3moae2VIQIKNfDw5bYAAUg/videos

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Risposto
How can I convert table of chars to array of strings?
s={'1' '8' '2' '5' '1' '1' 'Z' 'F' '1' '3' 'C' '5' 'Y' 'U' '4' 'Q' '3' '4' '4' '0' '9' '1' '8' 'B' 'R' '1' '2' 'E' '8' '1' 'Z'...

oltre 3 anni fa | 0

Risposto
How can I convert table of chars to array of strings?
s={'1' '8' '2' '5' '1' '1' 'Z' 'F' '1' '3' 'C' '5' 'Y' 'U' '4' 'Q' '3' '4' '4' '0' '9' '1' '8' 'B' 'R' '1' '2' 'E' '8' '1' 'Z'...

oltre 3 anni fa | 0

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import 2 rows from 2 different sheets
You can use xlsread function to import your data from the two files, then concatenate your data

oltre 3 anni fa | 0

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Sort a matrix with another matrix
[~,id]=sort(B) C=A(id,:)

oltre 5 anni fa | 2

| accettato

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Import an Excel File
Use xlsread function

oltre 5 anni fa | 0

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Solve a system of 6 equation
use solve function

oltre 5 anni fa | 1

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eliminate the nullspace of a matrix
If you have any matrix, square or not, you have only one possibility: remove entire rows or columns that are equal to zero E...

oltre 5 anni fa | 0

| accettato

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How do I transfer timeseries data to excel?
use xlswrite function

oltre 5 anni fa | 0

| accettato

Risposto
Deleting a Cell and shifting cells left
a = {'1' '2' '3' '4' '5' '6' '7' '8' '9'} a(3)=[]

oltre 5 anni fa | 3

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Copy a 3D input image to a cell array?
Im=imread('your_image') out{1}=Im

oltre 5 anni fa | 0

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Power of abs. function
use <https://www.mathworks.com/help/simulink/slref/mathfunction.html Math function block> and set the pow function

oltre 5 anni fa | 1

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Add text column to data
A=[1 1 4 1 2 1 1 3 1] B=repmat({'coordinate'},size(A,1),1) out=[B num2cell(A)]

oltre 5 anni fa | 0

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How to find max value and reduce it from other arrays
A = [ 1 3 50 60 1 1 40 60 1 4 30 60 2 3 40 50 2 4 30 50 2 1 50 50 2 9 10 50 3 2 20 0 3 9 30 0 3 5 40 0 4 2 50 -20 ...

oltre 5 anni fa | 0

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Risposto
all possible combinations of three vectors
A=[1,5,6,9,12] B= [1,2,3,4,5,6] C= [3,18,27,69,72] [ii,jj,kk]=meshgrid(A,B,C); ii=permute(ii,[1 3 2]); jj=permute(jj,[2 1...

oltre 5 anni fa | 2

Risposto
How can I find elements in sequence in an array?
v=[2,3,6,8,9,10,12,14,16,17] id=[10 diff(v) 10]==1 ii1=strfind(id,[0 1]) ii2=strfind(id,[ 1 0])

oltre 5 anni fa | 2

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Risposto
If each element of vector with size (1,3) takes one value of 4 discrete values. How can I obtain all possible combinations of this vector?
If the order is not important v=[0 0.625 1.25 2.5] id=nchoosek(1:4,3) out=v(id)

oltre 5 anni fa | 0

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Risposto
How to find string structure elements?
people(1).Surname='Judit'; people(1).Family_Name='White'; people(2).Surname='Margaret'; people(2).Family_Name='Brown'; peo...

oltre 5 anni fa | 0

| accettato

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location of element in matrix
Use ismember function

circa 6 anni fa | 0

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generate y(n)=y(n-1)+x(n)
n=10 y0=0; % Initial conditions y(1)=y0+x(1); for k=2:n y(k)=y(k-1)+x(k) end

circa 6 anni fa | 1

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Risposto
find same elements between two sequences
a=[2 5 4 6 6 7 9 8 4 5 61 2 56 41] b=[1 9 7 3 2 4 5 1 6 4 78 1 12 56 14 27 46 1 3 2 4] c=intersect(a,b)

circa 6 anni fa | 0

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how to convert cell to array
If v is your cell array out=cell2mat(v([1 3 4 5 7 ]))

circa 6 anni fa | 1

| accettato

Risposto
how can i know the size of the file
s=dir('yourfile') the_size=s.bytes

circa 6 anni fa | 3

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multipying character in array number
repmat({'a'} ,1,5)

circa 6 anni fa | 0

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Sum of nonzero vector elements
v= [1 2 3 0 0 0 4 5 0 6 7 0 8 9] ii=[0 v~=0 0] idx1=strfind(ii,[0 1]) idx2=strfind(ii,[1 0])-1 out=cell2mat(arrayfun(@(x,y...

oltre 6 anni fa | 1

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Selecting unique pairs from a vector
imax = [1;2;3;4;5;6] out=nchoosek(imax,2)

oltre 6 anni fa | 1

| accettato

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How do I compare the elements of two vectors 1 by 1?
Use curly brackets uset1{i} == uset2{i} You can avoid for loop out=find(cellfun(@(x,y) x==y,uset1,uset2))

oltre 6 anni fa | 1

Risposto
Seperate numbers in string to different array
str={'take off time 0.102 sec';'sensor1 initiated .361 sec, -31 (mv)';'sync at 50 ms'} out=regexp(str,'\s[-\d\.]?\.?\d+','mat...

oltre 6 anni fa | 0

Risposto
how to find the closest values with tolerance in a matrix given a specific value
A=1000*rand(601,2201) ; % Example tol=0.02 th=185.2 [ii,jj]=find(abs(A-th)<tol) size(ii)

oltre 6 anni fa | 3

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Risposto
Delete line of file based on number in first column
fid=fopen('file.txt'); l1=strtrim(fgetl(fid)); out={}; while ischar(l1) l2=strtrim(l1); if l2(1)~='8' ou...

oltre 6 anni fa | 0

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Risposto
Moving the contents in the cell array
data = {'abc' , 'def' , 'ghi'} data1([4 5 6])=data

oltre 6 anni fa | 0

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