### Self Study: Matrices

Use the following matrices to perform the operations in the problems.

#### Problem (1)

**[K]** x **[J]**

#### Problem (2)

**||J||**

#### Problem (3)

**[R ^{T}]** x

**[H]**

#### Problem (4)

**[J ^{-1}]**

Use the following matrices to perform the operations in the problems.

**[K]** x **[J]**

**||J||**

**[R ^{T}]** x

**[J ^{-1}]**

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