public static Shiki operator+(Kou k1, Kou k2)
{
Shiki shiki = new Shiki();
shiki.AddKou(k1.Clone());
shiki.AddKou(k2.Clone());
return(shiki);
}
public static Shiki operator-(Shiki s1, Kou k2)
{
Shiki ret = new Shiki();
foreach (Kou k1 in s1.list)
{
ret.AddKou(k1.Clone());
}
ret.AddKou((-1) * k2);
return(ret);
}
public static Shiki operator+(Shiki s1, Shiki s2)
{
Shiki ret = new Shiki();
foreach (Kou k1 in s1.list)
{
ret.AddKou(k1.Clone());
}
foreach (Kou k2 in s2.list)
{
ret.AddKou(k2.Clone());
}
return(ret);
}
public static Shiki operator*(int v, Shiki s)
{
Shiki ret = new Shiki();
foreach (Kou k2 in s.list)
{
ret.AddKou(v * k2);
}
return(ret);
}
public static Shiki operator*(Kou k1, Shiki s2)
{
Shiki ret = new Shiki();
foreach (Kou k2 in s2.list)
{
ret.AddKou(k1 * k2);
}
return(ret);
}
public void Henbi(Shiki shiki, int index)
{
if (index <= 0 || 6 < index)
{
throw new System.Exception("そんな偏微分には対応していないよ");
}
Kou ret = this.Clone();
ret.keisu *= ret.inshi[index]--;
shiki.AddKou(ret);
if (index > 3 || this.inshi[0] == 0)
{
return;
}
ret = this.Clone();
ret.keisu *= -ret.inshi[0];
ret.inshi[0] += 2;
ret.inshi[index]++;
shiki.AddKou(ret);
}
