The chemical compositions of the coal ash were employed as inputs and the ash fusion temperature as output. The results show that the maximum and average relative predicting error are 7.4% and 0.678%,respectively.

• 将灰成分作为输入量；煤灰软化温度作为输出量；用试验数据对模型进行了校验；结果表明；支持向量机模型预测的最大相对误差和平均相对误差分别为7.；4%25和0