public static MatrixVector convertToMatrix(Vector3[] points){
MatrixVector m = new MatrixVector (points.Length, 1);
for (int i=0; i<points.Length; i++)
m.setValueAt (i, 0, points [i]);
return m;
}
public static MatrixVector convertToMatrix(Vector3[] points)
{
MatrixVector m = new MatrixVector(points.Length, 1);
for (int i = 0; i < points.Length; i++)
{
m.setValueAt(i, 0, points [i]);
}
return(m);
}
public static MatrixVector multiplyByMatrix(Matrix m, MatrixVector n)
{
MatrixVector res = new MatrixVector(m.getNrows(), 1);
for (int i = 0; i < m.getNrows(); i++)
{
Vector3 sum = new Vector3(0, 0, 0);
for (int j = 0; j < m.getNcols(); j++)
{
sum += new Vector3((float)(m.getValueAt(i, j) * n.getValueAt(j, 0).x), (float)(m.getValueAt(i, j) * n.getValueAt(j, 0).y), (float)(m.getValueAt(i, j) * n.getValueAt(j, 0).z));
}
res.setValueAt(i, 0, sum);
}
return(res);
}
public static MatrixVector multiplyByMatrix(Matrix m, MatrixVector n)
{
MatrixVector res = new MatrixVector (m.getNrows(), 1);
for (int i=0; i<m.getNrows(); i++)
{
Vector3 sum = new Vector3 (0, 0, 0);
for (int j=0; j<m.getNcols(); j++)
sum += new Vector3 ((float)(m.getValueAt (i, j) * n.getValueAt(j,0).x), (float)(m.getValueAt (i, j) * n.getValueAt(j,0).y), (float)(m.getValueAt (i, j) * n.getValueAt(j,0).z));
res.setValueAt(i,0,sum);
}
return res;
}