FITL1DT Namespace Reference

Functions
JMatrixNS	removeRowColumn (const JMatrixNS &A, int C)
vector< double >	dotprod (const JMatrixNS &A, const vector< double > &x)

Function Documentation

removeRowColumn()

JMatrixNS FITL1DT::removeRowColumn	(	const JMatrixNS &	A,
		int	C )

Definition at line 26 of file JFitL1dt.cc.

                                                       {
    const int N = A.size() - 1;
    JMatrixNS ret(N);
    int k = 0;
    for (int i = 0; i < N+1; i++) {
      if (i == C) { 
        continue; 
      }
      int l = 0;
      for (int j = 0; j < N+1; j++) {
        if (j == C) { 
          continue; 
        }
        ret.at(k,l) = A.at(i,j);
        l++;
      }
      k++;
    }
    return ret;
  }

dotprod()

vector< double > FITL1DT::dotprod	(	const JMatrixNS &	A,
		const vector< double > &	x )

Definition at line 48 of file JFitL1dt.cc.

                                                                      {
    if (A.size() != x.size()) { 
      cout << "Can not evaluate dot product: dimensions dont match" << endl; 
      return vector<double>(0, 0.0); 
    }
    vector<double> ret(A.size(), 0.0);
    for (unsigned int i = 0; i < A.size(); ++i) {
      for (unsigned int j = 0; j < A.size(); ++j) {
        ret.at(i) += A.at(i,j) * x.at(j);
      }
    }
    return ret;
  }