Azzi Abdelmalek
7,152 total contributions since 2012
University teacher
Speciality: Automatic control
Hobbies: Football, Music and Chess.
Professional Interests: Automatic Control
https://www.youtube.com/channel/UC3moae2VIQIKNfDw5bYAAUg/videos
Azzi Abdelmalek's Badges
Contribute at least one answer each month for 36 consecutive months
Awarded to Azzi Abdelmalek on 20 Jul 2017
Accept 20 answers given by other contributors
Awarded to Azzi Abdelmalek on 20 Jul 2017
Answer 1 question that was unanswered for more than 30 days
Awarded to Azzi Abdelmalek on 20 Jul 2017
100 of your answers have been accepted
Awarded to Azzi Abdelmalek on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Azzi Abdelmalek on 20 Jul 2017
How to convert a 1x1 cell to a string?
To convert a cell array of character vectors to a character array, use the “char” function. A = {'line'} B = char(A) To extra...
5 months ago | 15
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how to set graph size
Set the ‘Position’ property on the current figure (gcf). By default, the position is in pixels. x0=10; y0=10; width=550; hei...
5 months ago | 24
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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...
1 year ago | 0
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How do I transfer timeseries data to excel?
use xlswrite function
1 year ago | 0
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Deleting a Cell and shifting cells left
a = {'1' '2' '3' '4' '5' '6' '7' '8' '9'} a(3)=[]
1 year ago | 0
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Copy a 3D input image to a cell array?
Im=imread('your_image') out{1}=Im
2 years ago | 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
2 years ago | 1
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)]
2 years ago | 0
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 ...
2 years ago | 0
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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...
2 years ago | 0
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])
2 years ago | 1
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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)
2 years ago | 0
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...
2 years ago | 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
2 years ago | 0
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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)
2 years ago | 0
how to convert cell to array
If v is your cell array out=cell2mat(v([1 3 4 5 7 ]))
2 years ago | 1
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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...
2 years ago | 1
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Selecting unique pairs from a vector
imax = [1;2;3;4;5;6] out=nchoosek(imax,2)
2 years ago | 0
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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))
2 years ago | 1
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...
2 years ago | 0
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)
2 years ago | 2
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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...
2 years ago | 0
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Moving the contents in the cell array
data = {'abc' , 'def' , 'ghi'} data1([4 5 6])=data
2 years ago | 0
Duplicate elements in array n times, where n is an array itself
A = [1 2 3] B = [2 3 1] C=cell2mat(arrayfun(@(x,y) repmat(x,1,y),A,B,'un',0))
2 years ago | 0