public FunctionView3(Functional.Function f, ref Bitmap img)
{
Func = f;
G = Graphics.FromImage(img);
G.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
ScreenCenterX = img.Width / 2;
ScreenCenterY = img.Height / 2;
}
public Functional.Function StandardAssembler_Sqrt(ref List <string> param, ref List <string> paramexp)
{
if (paramexp.Count == 1)
{
string s = paramexp[0];
int cs = Expression.ClassOf(ref s);
if (2 <= cs && cs <= 5)
{
Functional.Function fparam = AssembleFunction(s, ref param);
return
(delegate(Tensor x)
{
return MathT.Sqrt(fparam(x));
});
}
}
throw new Exception("组装Sqrt函数失败：参数个数不合法");
}
/*public Functional.Function StandardAssembler_Average(ref List<string> param, ref List<string> paramexp)
* {
* //if(param)
* }*/
public Functional.Function StandardAssembler_MatrixDet(ref List <string> param, ref List <string> paramexp)
{
if (paramexp.Count == 1)
{
string s = paramexp[0];
int cs = Expression.ClassOf(ref s);
if (cs == 4)
{
Functional.Function fparam = AssembleFunction(paramexp[0], ref param);
return
(delegate(Tensor x)
{
Tensor ans = fparam(x);
return MathT.MatrixDet(ans);
});
}
}
throw new Exception("组装MatrixDet函数失败：参数不合法");
}
public Functional.Function StandardAssembler_Pow(ref List <string> param, ref List <string> paramexp)
{
if (paramexp.Count == 2)
{
string s = paramexp[0];
int cs1 = Expression.ClassOf(ref s);
s = paramexp[1];
int cs2 = Expression.ClassOf(ref s);
if (cs1 >= 2 && cs1 < 6 && cs2 >= 2 && cs2 < 6)
{
Functional.Function fparam1 = AssembleFunction(paramexp[0], ref param);
Functional.Function fparam2 = AssembleFunction(paramexp[1], ref param);
return
(delegate(Tensor x)
{
return MathT.Pow(fparam1(x), fparam2(x));
});
}
}
throw new Exception("组装Pow函数失败：参数不合法");
}
public Functional.Function StandardAssembler_Sqr(ref List <string> param, ref List <string> paramexp)
{
if (paramexp.Count == 1)
{
string s = paramexp[0];
int cs = Expression.ClassOf(ref s);
if (2 <= cs && cs <= 5)
{
Functional.Function fparam = AssembleFunction(s, ref param);
return
(delegate(Tensor x)
{
Tensor ans = new Tensor(fparam(x));
for (int i = 0; i < ans.Count; i++)
{
ans.X[i] *= ans.X[i];
}
return ans;
});
}
}
throw new Exception("组装Sqr函数失败：参数个数不合法");
}
