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gibson:teaching:spring-2015:math445:lab2 [2015/01/28 12:38] gibson |
gibson:teaching:spring-2015:math445:lab2 [2015/01/28 12:40] (current) gibson |
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- | **Problem 3. Creation of matrices, extracting and assigning elements and subvectors.** | + | **Problem 3.** Creation of matrices, extracting and assigning elements and subvectors. |
**(a)** Create the matrix A | **(a)** Create the matrix A | ||
\begin{eqnarray*} | \begin{eqnarray*} | ||
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**(e)** What is the fourth row of $A$? | **(e)** What is the fourth row of $A$? | ||
- | **(f)** What is the central $\3 times 3$ submatrix of $A$? | + | **(f)** What is the central $3 \times 3$ submatrix of $A$? |