**Numerical Algorithms**

Here a number that is a very close approximation of the exact solution is sought.

**EXAMPLE**.

Consider the problem
of finding the positive square root *(sqrt)* of a positive integer
*n*.

We want to compute the function illustrated by the following curve:

Except when *n*
is a square of an integer, the best we can hope for is an approximation.

CS1104
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Last Updated 01/29/2000

©
J.A.N. Lee, 2000