Posts Tagged as ‘Round off error’

June 2, 2008

Round off errors and the Patriot missile

Twenty-eight Americans were killed on February 25, 1991 when an Iraqi Scud hit the Army barracks in Dhahran, Saudi Arabia. The Patriot defense system had failed to track and intercept the Scud. What was the cause for this failure?
The Patriot defense system consists of an electronic detection device called the range gate. [...]

May 27, 2008

Myth: Error caused by chopping a number is called truncation error

Round off error is the error caused by approximate representation of numbers.
When people talk about round off error, it is the error between the number and its representation. For example 200/3 would be represented as 66.6667 in a six significant digit computer that rounds off the last digit. The last digit has been [...]