/// <summary>行列とベクトルの積と和を計算する（y = α op(A) x + βy）</summary>
/// <param name="vectorX">ベクトルX</param>
/// <param name="vectorY">ベクトルY（解が上書きされる）</param>
/// <param name="alpha">第一項の係数</param>
/// <param name="beta">第二項の係数</param>
internal void VectorProduct(Vector vectorX, ref Vector vectorY, double alpha, double beta)
{
for (uint i = 0; i < this.Columns; i++)
{
vectorY.SetValue(i, vectorY.GetValue(i) * beta);
for (uint j = 0; j < this.Rows; j++)
{
vectorY.AddValue(i, alpha * this.GetValue(i, j) * vectorX.GetValue(j));
}
}
}
/// <summary>matrix1の逆行列を計算してmatrix2に設定する</summary>
/// <param name="matrix"></param>
internal void GetInverse(ref Matrix matrix)
{
LUDecomposition();
Vector col = new Vector(Columns);
for (uint j = 0; j < Columns; j++)
{
col.SetValue(0);
col.SetValue(j, 1);
LUSolve(ref col);
for (uint i = 0; i < Columns; i++) matrix.SetValue(i, j, col.GetValue(i));
}
}
/// <summary></summary>
/// <param name="vector"></param>
internal void LUSolve(ref Vector vector)
{
if (isMatrixView)
{
uint ii = 0;
for (uint i = 0; i < Rows; i++)
{
uint ip = perm[i];
double sum = vector.GetValue(ip);
vector.SetValue(ip, vector.GetValue(i));
if (ii != 0)
{
for (uint j = ii - 1; j < i; j++) sum -= GetValue(i, j) * vector.GetValue(j);
}
else if (sum != 0) ii = i + 1;
vector.SetValue(i, sum);
}
for (int i = (int)Rows - 1; i >= 0; i--)
{
uint iii = (uint)i;
double sum = vector.GetValue(iii);
for (uint j = iii + 1; j < Columns; j++) sum -= GetValue(iii, j) * vector.GetValue(j);
vector.SetValue(iii, sum / GetValue(iii, iii));
}
}
else
{
uint ii = 0;
for (uint i = 0; i < Rows; i++)
{
uint ip = perm[i];
double sum = vector.GetValue(ip);
vector.SetValue(ip, vector.GetValue(i));
if (ii != 0)
{
for (uint j = ii - 1; j < i; j++) sum -= mat[i, j] * vector.GetValue(j);
}
else if (sum != 0) ii = i + 1;
vector.SetValue(i, sum);
}
for (int i = (int)Rows - 1; i >= 0; i--)
{
uint iii = (uint)i;
double sum = vector.GetValue(iii);
for (uint j = iii + 1; j < Columns; j++) sum -= mat[iii, j] * vector.GetValue(j);
vector.SetValue(iii, sum / mat[iii, iii]);
}
}
}
/// <summary>温度[C]を設定する</summary>
/// <param name="temperatures">温度[C]</param>
internal void setTemperature(Vector temperatures)
{
coreTemperature = temperatures.GetValue(0);
SkinTemperature_Contact = temperatures.GetValue(1);
SkinTemperature_NonContact = temperatures.GetValue(2);
arteryTemperature = temperatures.GetValue(3);
deepVeinTemperature = temperatures.GetValue(4);
if (heatCapacity_SuperficialVein != 0) superficialVeinTemperature = temperatures.GetValue(5);
if (! isJOSModel)
{
if (heatCapacity_SuperficialVein != 0)
{
muscleTemperature = temperatures.GetValue(6);
fatTemperature = temperatures.GetValue(7);
}
else
{
muscleTemperature = temperatures.GetValue(5);
fatTemperature = temperatures.GetValue(6);
}
}
}