/// <summary>
/// Adds another polynomial to this
/// </summary>
/// <returns>
/// this polynomial
/// </returns>
/// <param name="other">The polynomial to add</param>
public MyPolynomial Add(MyPolynomial other)
{
double[] result;
bool longer = this.GetDegree() >= other.GetDegree();
if (longer)
{
result = new double[_coeffs.Length];
}
else
{
result = new double[other.GetDegree() + 1];
}
for (int i = 0; i < result.Length; i++)
{
try
{
result[i] = _coeffs[i] += other.CoeffAt(i);
}
catch (IndexOutOfRangeException)
{
if (longer)
{
result[i] = _coeffs[i];
}
else
{
result[i] = other.CoeffAt(i);
}
}
}
_coeffs = result;
return(this);
}
public static String CoeffsToString(MyPolynomial poly)
{
String result = "[";
for (int i = 0; i < poly.GetDegree(); i++)
{
result += poly.CoeffAt(i) + ", ";
}
result += poly.CoeffAt(poly.GetDegree()) + "]: ";
return(result);
}
/// <summary>
/// Multiplies this by another polynomial
/// </summary>
/// <returns>
/// this polynomial
/// </returns>
/// <param name="other">The polynomial to multiply by</param>
public MyPolynomial Multiply(MyPolynomial other)
{
double[] product = new double[_coeffs.Length + other.GetDegree()];
for (int i = 0; i < _coeffs.Length; i++)
{
for (int j = 0; j < other.GetDegree() + 1; j++)
{
product[i + j] += _coeffs[i] * other.CoeffAt(j);
}
}
_coeffs = product;
return(this);
}
