一副图可视为一个矩阵，将其分成上线两部分，然后用矩阵的合并实现两个图简单拼接。目的主要使新手熟悉matlab的这种图形处理方法。-A diagram can be regarded as a matrix, to be divided into on-line in two parts, and then use the matrix of the merger of two diagrams simple splicing. The main purpose of the novice familiar with Matlab this graphical approach.