public poly substitudeX(poly x_y)
{
for (int i = 0; i < x_y.count; i++)
{
if (x_y.terms[i].xp > 0)
{
throw new Exception("x_y is not a function of x!");
}
}
poly temp = new poly();
temp.addTerm(this);
for (int i = 0; i < xp; i++)
{
for (int j = 0; j < temp.count; j++)
{
temp.terms[j].xp--;
}
temp *= x_y;
}
for (int i = 0; i < temp.count; i++)
{
if (temp.terms[i].xp > 0)
{
throw new Exception("xp > 0 after substitude!");
}
}
return(temp);
}
public poly substitudeY(poly y_x)
{
for (int i = 0; i < y_x.count; i++)
{
if (y_x.terms[i].yp > 0)
{
throw new Exception("y_x is not a function of x!");
}
}
poly temp = new poly();
temp.addTerm(this);
for (int i = 0; i < yp; i++)
{
for (int j = 0; j < temp.count; j++)
{
temp.terms[j].yp--;
}
temp *= y_x;
}
for (int i = 0; i < temp.count; i++)
{
if (temp.terms[i].yp > 0)
{
throw new Exception("yp > 0 after substitude!");
}
}
return(temp);
}
public poly integralY()
{
poly temp = new poly();
for (int i = 0; i < count; i++)
{
temp.addTerm(terms[i].integralY());
}
return(temp);
}
static poly pol(int[,] termData)
{
poly p = new poly();
for (int i = 0; i < termData.GetLength(0); i++)
{
p.addTerm(ter(termData[i, 0], termData[i, 1], termData[i, 2]));
}
return(p);
}