//Eulers Method to solve a differential equation
#include
#include
#include
using namespace std;
double df(double x, double y)            //function for defining dy/dx
{
    double a=x+y;                //dy/dx=x+y
    return a;
}
int main()
{
    int n;   
    double x0,y0,x,y,h;            //for initial values, width, etc.
    cout.precision(5);            //for precision
    cout.setf(ios::fixed);               
    cout<<"\nEnter the initial values of x and y respectively:\n";        //Initial values
    cin>>x0>>y0;                           
    cout<<"\nFor what value of x do you want to find the value of y\n";   
    cin>>x;
    cout<<"\nEnter the width of the sub-interval:\n";            //input width
    cin>>h;
    cout<<"x"<0.0000001)        //I couldn't just write "while(x0
For dy/dx=-2x-y



For dy/dx=x+y


Explanation of the Code:





	


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Manas Sharma
I’m a physicist specializing in computational material science with a PhD in Physics from Friedrich-Schiller University Jena, Germany. I write efficient codes for simulating light-matter interactions at atomic scales. I like to develop Physics, DFT, and Machine Learning related apps and software from time to time. Can code in most of the popular languages. I like to share my knowledge in Physics and applications using this Blog and a YouTube channel.
manas.bragitoff.com/
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