![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
The generator matrix G of an (n,k) linear code is a k-row ́ n-column matrix. If given the systematic form G as G=[I k P], where I k is an identity matrix; then, the parity-check matrix H can be constructed as : H=[P T I n-k ]. The H is _____ -row ́ n-column matrix.