public void pca(double[] i_v1, double[] i_v2, int i_number_of_point, NyARDoubleMatrix22 o_evec, double[] o_ev, double[] o_mean)
{
NyARMat input = this.__pca_input;// 次処理で初期化される。
// pcaの準備
input.realloc(i_number_of_point, 2);
double[][] input_array = input.getArray();
for (int i = 0; i < i_number_of_point; i++)
{
input_array[i][0] = i_v1[i];
input_array[i][1] = i_v2[i];
}
// 主成分分析
input.pca(this.__pca_evec, this.__pca_ev, this.__pca_mean);
double[] mean_array = this.__pca_mean.getArray();
double[][] evec_array = this.__pca_evec.getArray();
double[] ev_array = this.__pca_ev.getArray();
o_evec.m00 = evec_array[0][0];
o_evec.m01 = evec_array[0][1];
o_evec.m10 = evec_array[1][0];
o_evec.m11 = evec_array[1][1];
o_ev[0] = ev_array[0];
o_ev[1] = ev_array[1];
o_mean[0] = mean_array[0];
o_mean[1] = mean_array[1];
return;
}