// construct a RFGMap from MatlabStruct.
// Matlab objects of class RandFourierGaussMap.
// See RandFourierGaussMap.toStruct()
public static RFGMap FromMatlabStruct(MatlabStruct s)
{
// s.className = class(this);
// s.gwidth2=this.gwidth2;
// s.numFeatures=this.numFeatures;
// s.dim=this.dim;
// s.W=this.W;
// s.B=this.B;
string className = s.GetString("className");
if (!className.Equals("RandFourierGaussMap"))
{
throw new ArgumentException("The input does not represent a " + typeof(RFGMap));
}
double gwidth2 = s.GetDouble("gwidth2");
int numFeatures = s.GetInt("numFeatures");
// int dim = s.GetInt("dim");
Matrix W = s.GetMatrix("W");
if (W.Rows <= 0 || W.Cols <= 0)
{
throw new Exception("Loaded weight matrix has collapsed dimensions");
}
if (numFeatures != W.Cols)
{
// expect W to be dim x numFeatures
throw new ArgumentException("Loaded weight matrix's #cols does not match numFeatures.");
}
Vector B = s.Get1DVector("B");
// construct object
RFGMap map = new RFGMap();
map.GaussWidthSq = gwidth2;
map.WeightMatrix = W;
map.BiasVector = B;
Console.WriteLine("mapMatrix W's size: ({0}, {1})", W.Rows, W.Cols);
Console.WriteLine("bias vector length: {0}", B.Count);
return(map);
}
public RFGMVMap(Vector mwidth2s, Vector vwidth2s, RFGMap rfgMap)
{
if (mwidth2s.Count != vwidth2s.Count)
{
throw new ArgumentException("Params. for means and variances must have the same length.");
}
for (int i = 0; i < mwidth2s.Count; ++i)
{
if (mwidth2s[i] <= 0)
{
throw new ArgumentException("mwidth2s: " + mwidth2s + " contains non-positive numbers.");
}
if (vwidth2s[i] <= 0)
{
throw new ArgumentException("vwidth2s: " + vwidth2s + " contains non-positive numbers.");
}
}
this.mwidth2s = mwidth2s;
this.vwidth2s = vwidth2s;
this.rfgMap = rfgMap;
}
// construct a RFGMVMap from MatlabStruct.
// Matlab objects of class RadnFourierGaussMVMap.
// See RandFourierGaussMVMap.toStruct()
public new static RFGMVMap FromMatlabStruct(MatlabStruct s)
{
// s.className=class(this);
// s.mwidth2s=this.mwidth2s;
// s.vwidth2s=this.vwidth2s;
// s.numFeatures=this.numFeatures;
// s.rfgMap=this.rfgMap.toStruct();
string className = s.GetString("className");
if (!className.Equals("RandFourierGaussMVMap"))
{
throw new ArgumentException("The input does not represent a " + typeof(RFGMVMap));
}
// Gaussian width for mean of each input.
Vector mwidth2s = s.Get1DVector("mwidth2s");
Vector vwidth2s = s.Get1DVector("vwidth2s");
// int numFeatures = s.GetInt("numFeatures");
RFGMap rfgMap = RFGMap.FromMatlabStruct(s.GetStruct("rfgMap"));
// construct object
return(new RFGMVMap(mwidth2s, vwidth2s, rfgMap));
}
