热印头温度场大型线性方程组的计算软件设计

The design of the computer software for large linear programming ofthe temperature field of the thermal printhead

阐述了热印头三维瞬态温度场计算软件的设计方法及过程，详细论述了计算语言的选择、共轭梯度法的原理、加速迭代收敛方法及用行索引法压缩大型稀疏系数矩阵的方法．

This paper describes the design method and the procedure of applying the software to threedemensional temperature field of the thermal printhead, including the selection of the computer language, the principle of conjugate gradient methods, accelerating iteration convergence method, and the method that is used to compress the large scale spaise matrix using the line index.