# Imene Yed

**Statistics**

**MATLAB Answers**

**19** Questions

**0** Answers

RANK**192,703**

of 257,913

REPUTATION**0**

CONTRIBUTIONS

**19** Questions

**0** Answers

ANSWER ACCEPTANCE **
57.89%
**

VOTES RECEIVED**0**

RANK

of 17,770

REPUTATION**N/A**

AVERAGE RATING**0.00**

CONTRIBUTIONS**0** Files

DOWNLOADS **0**

ALL TIME DOWNLOADS**0**

RANK

of 110,127

CONTRIBUTIONS

**0** Problems

**0** Solutions

SCORE**0**

NUMBER OF BADGES**0**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Content Feed**

Question

how to initialize variables ?

Hi I want to initialize my variable calcul_Pression but it doesn't seem to work . clear all,clc [t,n]= pfe(); if t=0 ...

11 months ago | 1 answer | 0

### 1

answerQuestion

How to adjust the accuracy in graphs ?

Hi,I plot a graph ,I Wan to display on the graph on each (X,Y) couple, the real value of X ,I mean for exemple my data is like...

11 months ago | 1 answer | 0

### 1

answerQuestion

Import data and plot

Hi,I'm trying to plot import my data using the import tool ,then I want to plot ,here is what I got the data couldn't appear on ...

11 months ago | 1 answer | 0

### 1

answerQuestion

Initial conditions problem ODE15S

Hi ,here is my code if someone can help me to set initial conditions(densities IC) without changing the time so that I can have...

11 months ago | 1 answer | 0

### 1

answerQuestion

Error using call_myequations Too many input arguments.

Hi I divided my script into 4 script: parameters.m function k= parameters %constantes ::: %temperature T=17000...

12 months ago | 1 answer | 0

### 1

answerQuestion

Invalid expression. When calling a function or indexing a variable

Hi, I'm trying to name the variables of my function n(1)=[C]. n(2)= [C+].. but it doesnt seem to work function dndt = myequati...

12 months ago | 1 answer | 0

### 1

answerQuestion

errors in calling function

Hi,I'm trying to call the myequation in another script ,here is my first script: clear all,clc %constantes ::: %temperature ...

12 months ago | 2 answers | 0

### 2

answersQuestion

calling functions in other scripts

Hi, I want call this function : classdef functioncontainer methods function res = func(t,n) ...

12 months ago | 1 answer | 0

### 1

answerQuestion

ODE45 and expr function

Hi, I have this problem where I get only the last equation that is executed in the program (%N ) (the expr equations) and I want...

12 months ago | 0 answers | 0

### 0

answersQuestion

calling script in another script

Hi , I want to use a script in another script .

12 months ago | 1 answer | 0

### 1

answerQuestion

unable to write file permission denied

I'm trying to put an output by using: save expr.txt t expr_at_i -ascii how can I allow the permission Unable to write file...

12 months ago | 1 answer | 0

### 1

answerQuestion

Solving ODE and using conditions

Hi, after resolving my ODE of n variables I want to write a code to verifiy for exemple if this condition is correct : n(1)(t=...

12 months ago | 1 answer | 0

### 1

answerQuestion

Error in ode45

Hi clear all,clc %constantes:: %temperature T=17000 %constante k: recombinaison radiative k1=2.36 *(1e-12)*(T/300)^(-0.29)...

12 months ago | 1 answer | 0

### 1

answerQuestion

definitions in a script must appear at the end of the file.

Hi function dndt=imene2022(t,n,) dndt=zeros(43,1) %Chemin C dndt(1)= k1*n(2)*n(32)+k15*n(5)*n(9)+k16*n(5)*n(24)... +k33*n(4...

12 months ago | 1 answer | 0

### 1

answerQuestion

warning: Solving was not successful. The iterative integration loop exited at time t = 0.000000 before the endpoint at tend = 0.001000 was reached

Hi,I'm trying to solve a big system of ODE here is my code with ODE45 k1 k2 k3... F=@(t,n)([k1*n(2)*n(42)+k15*n(5)*n(9)+...

12 months ago | 1 answer | 0

### 1

answerQuestion

Abstrol,Reltol,,normcontrol and refine

Hi, What do we mean by Abstol,Reltol and refine ,is it all about the accuracy of the ODE solver??I'm new to this domain thank y...

12 months ago | 0 answers | 0

### 0

answersQuestion

error: IDASolve failed

Hi I was trying to resolve a large ODE system with ODE45 ,the calculus didn't stop and it took more than 12hours ,so I changed t...

12 months ago | 1 answer | 0

### 1

answerQuestion

vertical dimensions mismatch ode45

I'm trying to solve a system of ODE with 43 equations and 156 constants ,here is my code: clear all,clc %temperature T=17000...

12 months ago | 1 answer | 0

### 1

answerQuestion

ode45 invalid call to script octave 6.1.0(GUI)

I'm trying to run a program of a big system of odes with 43 equations and 165 constants,here is a preview of my code: script1:...

12 months ago | 0 answers | 0