若<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/838949495d644198a975a60d5f8c8d1b.png?x-oss-process=image/sharpen,200"/>是<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/47b39c0ce05b411a9de97f81bf090ab6.png?x-oss-process=image/sharpen,200"/>矩阵，则以<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/838949495d644198a975a60d5f8c8d1b.png?x-oss-process=image/sharpen,200"/>为系数矩阵的齐次线性方程组（）.