triangular chart

Consequently, the overall weighted coefficient matrix, the triangle coordinates and the classifications, scores and ranks of the evaluated samples were.

将待评估湖泊富营养化指标组成样本矩阵，经确定指标极性，建立各类别的白化权函数形成权系数矩阵，确定类别界限及各指标权重，最终形成综合权系数矩阵并据此画出三角坐标图。

It could be used to make the trigonal squared paper and plot the three componential phase graph,etc.

本文详细研究了目前国内应用Origin软件进行实验数据处理方面的进展情况,又研究了曲线拟合后,作某点切线和求该点切线斜率的方法、三角坐标纸的制作及三组分相图的绘制等新的应用。