Computer Number Representation Two Schemes o fixed-point notation Mx=sign×(an2”+an-12n-1+…+a02°+…+a-m2-m) where n+m=N-2.The particular values for N,m,and n are machine-dependent. o floating-point notation 口“日1元4元↑至0QC Weihua Gu (Shanghai Jiao Tong University) Computational Physics Chapter 1 14/0920157/103Computer Number Representation Two Schemes fixed-point notation Nfix = sign × ￾ αn2 n + αn−12 n−1 + · · · + α02 0 + · · · + α−m2 −m
where n + m = N − 2. The particular values for N, m, and n are machine-dependent. floating-point notation. Weihua Gu (Shanghai Jiao Tong University) Computational Physics Chapter 1 14/09/2015 7 / 103