mina massoud

Active since 2018

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hi everyone, how can i plot a matrix in logarithm scale dB
i attach the matrix that i need to be ploted in logarithm scale dB thank you

5 years ago | 1 answer | 0

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hi every one , i need help to do this in matlab if it's possibile, thank you
A=[ 1 2 3 4 5 6 7 8 9 10 ] B=[ 10 11 12 13 14 15 16 17 18 19 20] C=[ 21 22 23 24 25 26 27 28 29 30] for n=1:10 if n==1 ...

5 years ago | 0 answers | 0

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hi every one, can i get help to make this, thank you
clear all clc a1=[1 7 13] a2=[2 8 14] b1=[3 9 15] b2=[4 10 16] c1=[5 11 17] c2=[6 12 18] K=[a1,a2; b1,b2; c1,c2] ; ...

5 years ago | 1 answer | 0

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hi every one, i need help to make something in matlab that i don't if it can be done or not , thank you
A=[ 5 4 9 0 0 1 3 8 2 1 ] B=[ 0 0 1 3 2 5 8 0 0 2 ] C=[ 6 3 0 5 7 3 1 3 4 0 ] if n=1:10 X=[ A ; B ; C] % in need this ...

5 years ago | 1 answer | 0

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hi every one, i need to ask a question, thank you
if i have a row vector like this A=[ 0 1 1 1 0 0 1 1 0 1 ] and another vector B=[ 1 2 3 4 5 6 ] and i need to put the element...

5 years ago | 4 answers | 0

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hi every one, how can i extract the first column(first field) that it's name is Range form a structure 1x84 with 3 fields, thank you
i attached the structure field in a file .mat and i take a screen shot , if it can help, thank you again

5 years ago | 1 answer | 0

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Hi everyone. How can i extract the first column(first field) from a structure 1x84 with 3 fields?
I do like (:,1) but it only gives me a struct 1x1 that contains the first row with the 3 fields but I need only the first field ...

5 years ago | 1 answer | 0

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hi , every one , can i find help to do this , thank you
1) how can i make a plot like this ( i need only the plot with the yellow line ) 2) if i have a file.fig and i need to integra...

5 years ago | 0 answers | 0

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hi every one , how can i do a for cycle with diffrent vector length , thank you
clear all clc X=rand(17,1) Y=rand(31,1) Z=rand(28,1) K=rand(31,1) n=31 for i=1:n A=[X(:,n) , Y(:,n) ,Z(:,n) ,K...

5 years ago | 1 answer | 0

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Hi,everyone! can i know if in matlab there is a library for the Partitioned Block Frequency Domain Adaptive Filter (PB-FDAF)
thank you

5 years ago | 1 answer | 0

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Hi , i have a matrix and need to extract the column in this way , thank you
clear all clc A=[ 1:16;17:32;33:48;49:64] ; % i need to exctract the [ 1 5 9 13 ] column vectro from matrix A and put them ...

5 years ago | 1 answer | 0

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Hi everyone ! can anyone help me to do this , thank you
% I'd like to take the first 4x4 block of X and put it in Xa and Xb % in such a way as to take the first and second column of ...

5 years ago | 1 answer | 0

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Hi , can anyone help me to do this , thank you
% i have a matrix 4x32 , and i need to sum the element to obtain a matrix 4x4 clear all clc A= randn(4,32) ; % (1 5 9 13...

5 years ago | 1 answer | 0

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Hi, everyone! i need help to make this , instead of getting a matrix FTTx ( 4x8) i need to get a column vector (1x32) with the same values but i iam not able to do it , thank you
Lx=20; N=4; P=8; L=2; xBuff=zeros(N,1); b=0.5; x = filter(sqrt(1-b^2), [1 -b], (1/(sqrt(4)))*(randn(Lx,1)) ); FFTX...

5 years ago | 0 answers | 0

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hi every body , how can I count the number of 1 and 2 and 3 in each cell that corrispond to x,y,z
clear all clc for i=1:10 for j=1:10 for k=1:10 A=10*randn(1) B=10*randn(1) C=10*ran...

5 years ago | 0 answers | 0

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hi every one ,
A=[ 1 1 1 2 2 3 3 3 1 1 4 4 4 2 2 3 3 3 4 3 ] how can i count the number of 1 and 2 and 3 and 4 in the row vector thank u

5 years ago | 2 answers | 0

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hi everyone , can anyone help me to make it , thank you
clear all clc X=[ 10 17 20 ; 1 4 8 ; 2 3 30 ] Z=zeros(3,3) % i need to put in the matrix Z this condition % 1) if gr...

5 years ago | 1 answer | 0

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how to use color sets in maps by defining intervals in matlab (for example: lower than 10 , between 10 and 50 , between 50 and 200, between 200 and 1000, greater than 1000). thanks
how to use color sets in maps by defining intervals in matlab (for example: lower than 10 , between 10 and 50 , between 50 and 2...

5 years ago | 2 answers | 0

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can anyone help me to run this code , thank you
for i=1:300 for j=1:100 A{i,j}=10*randn(2,8); B{i,j}=10*randn(2,8); MA{i,j}=mean(A{i,j},1); ...

5 years ago | 1 answer | 0

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plz i need help to make this , thank u
% A >>>>> MA >>>>>> min E >>>> from this i need the corrispondat column vector of A % B>>>>>> MB >>>> min E >>>>> from this ...

5 years ago | 2 answers | 0

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hi everyone , i need help to do this , thank u
clear all clc A=10*randn(1,8); B=10*randn(1,8); EA=A+2 EB=B+2 E=min(EA,EB) % i need the value of A and B in a row vecto...

5 years ago | 1 answer | 0

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hi every body , i need help plz to make this
clear all clc A=cell(300,100); B=cell(300,100); for i=1:300 for j=1:100 A{i,j}=10*randn(2,8); B{i,j}...

5 years ago | 0 answers | 0

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hi everyone , i need help to make this , thank u
i hava two matrix 2x8 A=2*ones(2,8) B=3*ones(2,8) what i need is to access on 1) on each column of matrix A so i need to ...

5 years ago | 1 answer | 0

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hi every one ,
A=[ 5 6 2 9 10 15 1 2 4 9 ] B=[ 3 8 1 0 12 10 3 5 7 8 ] C= [A ; B] i need from C for each column the smaller value and put ...

5 years ago | 1 answer | 0

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please in need help , how can i get all the possibile combination 111 112 121 122 211 212 221 222 for matrix A in matlab , than u
A=[ 1 1 ; 2 2 ; 3 3 ]

5 years ago | 1 answer | 0

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hi everybody , i have a question please , if i have X=[1:10] and Y=[-5:5] and i want to have all the point of the plane (x,y) , what can i do in matlab to extract this point to use it
X=[1:10]; Y=[-5:5]; for i=1:10 for j=1:10

6 years ago | 2 answers | 0

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vorrei per favore sapere come posso definire L’indice che mi definisce gli istanti centrali di questi frame che sono 1501 , 1501+3000, 1501+3000+3000 , …..etc per questo vettore slow_time
PRT = 1e-3; % equivalent PRT for SAR mapping [s] T_obs = 30; ...

6 years ago | 0 answers | 0

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gentilmente volevo sapere come si può fare questo in matlab avendo a disposizione i valori di 'a' e 'b' , supponendo che a e b entrambi siano un vettore colonna 3x1

6 years ago | 0 answers | 0

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la domanda è come posso fare questa divisione in matlab con dimensione diverse perciò vorrei sapere come si calcola a e b in matlab come descritto nel articolo seguente
At= A'*A % è una matrice 3*3 k= A'*K % è una matrice 3*30000 a = k/At MathWorks

6 years ago | 0 answers | 0

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come posso avere la dimensione di T come la dimensione di x
x = [.1 .2 .3 .7 ; .8 .9 .1 .2 ];% Funziona con questo array. T (x> .5) = x; T (x <= .5) = 1

6 years ago | 1 answer | 0

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mina massoud

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