In the process of Gaussian elimination, what is the name of the non-zero entry used to eliminate entries below it in a column?
Show answer
Pivot
Pivot selection (pivoting) is crucial for numerical stability. Partial pivoting involves swapping rows to ensure the largest possible magnitude entry is used as the pivot to reduce rounding errors.
Also asked as:
- During Gaussian elimination, what term refers to the non-zero entry used to clear the values in the column below it?