# Anas Gharsa

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Question

converting a second degree differential equation into a first order

I am trying to reduce the order of a function but I always get an error message : syms y(t); eqn = diff(y,2) + c*y' + k*y == F...

4 månader ago | 1 answer | 0

### 1

answerQuestion

trying to use heun's method to solve an ode

I am trying for days to solve an ode using heun's method for a project but i always keep getting an error message!!!this is what...

4 månader ago | 1 answer | 0

### 1

answerQuestion

computing a interpolating polynomial for some function

I am trying to understand how to use the commands polyfit and polyval so i am trying to interpolate some function, I wrote somet...

4 månader ago | 1 answer | 0

### 1

answerQuestion

computing a regression polynomial of degree 2

I want to compute a regression polynomial for some datapoints and than estimate the value of the function at another datapoint!!...

4 månader ago | 0 answers | 0

### 0

answersQuestion

midpoint method to solve an ode

I am using a midpoint method to solve an ode !! I am not sure if my code is right but it gives me 0 errors than it shows me only...

4 månader ago | 0 answers | 0

### 0

answersQuestion

polynomial interpolation with lagrange form!!!

I implemented a function of lagrange form and i want to use it to interpolate the function f(x) = sin(4x) for some datapoints!! ...

4 månader ago | 1 answer | 0

### 1

answerQuestion

polynomial regression of a given function

i am trying to write a function which produces the regression polynomial of degree 2 for a given datapoints (x and f(x) where f ...

4 månader ago | 1 answer | 0

### 1

answerQuestion

trying to solve an ode using ode45

I tried to solve an ode with the command ode45 and plot the result!!it works fine but it does not show the graph!!! this is wha...

4 månader ago | 1 answer | 0

### 1

answerQuestion

i am new to matlab and i want to learn, can anyone help me with this please!!!!

I want to compute and plot the regression polynomial of degree 2 for some datapoints and than I want to estimate the value of th...

4 månader ago | 1 answer | 0

### 1

answerQuestion

i am new to matlab and i want to learn, can anyone help me with this please!!!

I want to write a script which produces the polynomial interpolating the function f(x) = sin(4x) at the points x0 = 1, x1 = 3, x...

4 månader ago | 1 answer | 0