功能:求符号矩阵变量转置

格式:[at, k] = SymMatrixTranspose(a)
a :符号矩阵对象变量

at :返回a的转置
k :执行成功与否的标志,如果k为1表示执行成功,返回0表示a参数有误

例子:
a = SymMatrix([ 
"a00","a01","a02" 
"a10","a11","a12" ])

at = SymMatrixTranspose(a)//回车得到如下结果
at = {
a00 , a10
a01 , a11
a02 , a12 }