# Math 221 Current Assignment

## Due Thursday, September 17

This is first use of Maple by this class, so support is especially valuable.
Remember we are encouraging students to start Maple by choosing the item
*Using Maple Alias* from the Apple Menu Items button at the top
left of the desktop.
People may not understand the interface very well, so be prepared to explain
it. Opening up the **Basic Linear Algebra** pointer
from Using Maple is very natural.)

The students also need to use the local Row Operations package, so please
take a look at that handout. Some discussion of errors is on the page

## Linear Algebra Problems

**The linear algebra package needs to be loaded.**

**Better:**

**Linear algebra operations need to be wrapped inside evalm to be computed.**

**Better:**

**Scalar Multiplication uses * rather than &***

**Better:**

**Algebraically substituting in a matrix requires more than the subs function.**

**As usual, to do something to each entry of a matrix, use the ***map* function.

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Last Update: * September 10, 1998*