Check out example codes for "c++ code for polynomial addition". It will help you in understanding the concepts better.

Code Example 1

``````// Simple C++ program to add two polynomials
#include <iostream>
using namespace std;

// A utility function to return maximum of two integers
int max(int m, int n) {  return (m > n)? m: n; }

// A[] represents coefficients of first polynomial
// B[] represents coefficients of second polynomial
// m and n are sizes of A[] and B[] respectively
int *add(int A[], int B[], int m, int n)
{
int size = max(m, n);
int *sum = new int[size];

// Initialize the porduct polynomial
for (int i = 0; i<m; i++)
sum[i] = A[i];

// Take ever term of first polynomial
for (int i=0; i<n; i++)
sum[i] += B[i];

return sum;
}

// A utility function to print a polynomial
void printPoly(int poly[], int n)
{
for (int i=0; i<n; i++)
{
cout << poly[i];
if (i != 0)
cout << "x^" << i ;
if (i != n-1)
cout << " + ";
}
}

// Driver program to test above functions
int main()
{
// The following array represents polynomial 5 + 10x^2 + 6x^3
int A[] = {5, 0, 10, 6};

// The following array represents polynomial 1 + 2x + 4x^2
int B[] = {1, 2, 4};
int m = sizeof(A)/sizeof(A);
int n = sizeof(B)/sizeof(B);

cout << "First polynomial is \n";
printPoly(A, m);
cout << "\nSecond polynomial is \n";
printPoly(B, n);

int *sum = add(A, B, m, n);
int size = max(m, n);

cout << "\nsum polynomial is \n";
printPoly(sum, size);

return 0;
}``````

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