photo

Yamina chbak


Last seen: 대략 1개월 전 |  2020년부터 활동

Followers: 0   Following: 0

통계학

  • First Answer
  • Thankful Level 3
  • First Review

배지 보기

Feeds

보기 기준

질문


Boundary Extraction Issue Using Image Restoration Techniques
Hi, I'm working on extracting boundary points from an image, but the output appears inverted. How can I correctly extract bounda...

대략 2개월 전 | 답변 수: 1 | 0

1

답변

질문


Slider in Matlab code
MATLAB code is a basic interactive application for visualizing a stochastic process : close all clc % Initialize figure fi...

8개월 전 | 답변 수: 1 | 0

1

답변

질문


How do I remove points which are far away from the boundary of domain?
Hi, I would like to know how do I remove points which are far away from the boundary of domain, for example % Before % Set...

1년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to separate two matrices from a single matrice?
Hi, I would like to extract two matrix B and C from a matrix A to get A=B+C, where A=sparse(N,N) with N is a number. Since ind...

1년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Create a new matrix
Let A a matrix and B a vector defined by : A=[ 4 2 7 4 3 5 6 8 8 1]; B= [4 6 7 8]; I wish to know how t...

2년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to take a data form text file to put it in another file?
Hi, I have a text file called File.1.node which contain such as: 45 12 7 1 ( first line ) 1 2 1 1 2 ...

2년 초과 전 | 답변 수: 2 | 0

2

답변

답변 있음
Modifying a matrix such that each entry can be written in a block of four
a=[1 2 ; 3 4]; A=zeros(2*size(a)); A(1:2,1:2)=a(1); A(1:2,3:4)=a(3); A(3:4,1:2)=a(2); A(3:4,3:4)=a(4); A

거의 3년 전 | 0

질문


Why didn't I find the same answer?
Hi, i try to calculate the math in 2 ways, but i couldn't find the same result, i don't why ?. Here is the problem % method 1 ...

거의 3년 전 | 답변 수: 1 | 0

1

답변

질문


How to Set Plot Background Color
Hi, I would like to set the backgrourd color of my figures, for example i have and i want like that it's possible ?? tha...

대략 3년 전 | 답변 수: 1 | 0

1

답변

질문


Which one is the correct one to calculate
I tried both of those instruction to calculate as : where and with are vectors ( zeros(15,1)) Both leads to different res...

대략 3년 전 | 답변 수: 1 | 0

1

답변

질문


How to change the previous result ?
Hi, I want to compute the solution : for n=2,... where . With the initial solution . For example : if n=2, then if n...

대략 3년 전 | 답변 수: 1 | 0

1

답변

질문


How to exit from loop function ?
Hi, I need to exit from a loop,should i use break ? here is an example : for j=1:10 if (condition 1) a=5; % example...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to compute the sum term ?
Hi, I hope you can help me in this problem : Compute the sum term solution : which . I don't need % I have two solution...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How do I generate code Matlab to make my work easier
Hi, I hope you can help me for in this matter i have a code to solve a problem and i want to change a value t and record the v...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to make a serie ?
Hi, i need to write a sum of serie : with b_k= (k+1)^2-(k)^2 and u^(m-k) is the numerical solution approximation u(x,t_m-...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to calcul equation using function Matlab
Hi, I try to write a function for calcul eqution u(x,y t)=exp(-t)*sin(pi*x/L)*sin(pi*y/L) on domaine L-shaped function z=U(x...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


problem with plotting a 1D graph
Hi, I have solved a 2D time problem U(x,y,t), 0<=x,y<=L and 0<=t<=T, by FEM and i get trisurf(TRI,x,y,U(:,N)) % N numbe...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


how to write a function with loop for and if-statement ?
Hi, I need to write a function U like this : if x=0 then U(0,y)=0 if y=0 then U(x,0)=0 ...

거의 4년 전 | 답변 수: 1 | 0

1

답변

질문


how to create a table in Matlab ?
I have Error L1,L2 and Linf between exacte solution and numerique solution of PDE for differents alpha and dt values in Matlab...

대략 4년 전 | 답변 수: 2 | 0

2

답변

질문


How can i use If ... else loop inside function ?
Hi, i have a problem says : Output argument ( and maybe others) not assigned during call to " g ". Here the function of g ...

대략 4년 전 | 답변 수: 1 | 0

1

답변

질문


How to edit matrice to another matrice?
% how to edit matrice A to matrice B with % A=[1 a b c % 2 d e f % 3 g h i]; % % % B=[ 1 a b 0 % 2 b c 0 % ...

4년 초과 전 | 답변 수: 1 | 0

1

답변