Laser-induced breakdown spectroscopy applied to the characterization of rock by support vector machine combined with principal component analysis

Yang Hong-Xing¹, Fu Hong-Bo^{1, 2}, Wang Hua-Dong^{1, 2}, Jia Jun-Wei^{1, 2}, Sigrist Markus W³, Dong Feng-Zhong^{1, 2, †,}

Variations of the first three PCs with the number of samples. Each kind of rock is represented by 5 samples.