Matlab取整函數(shù)有: fix, floor, ceil, round.
fix
朝零方向取整,如fix(-1.3)=-1; fix(1.3)=1;
floor
朝負無窮方向取整,如floor(-1.3)=-2; floor(1.3)=1;
ceil
朝正無窮方向取整,如ceil(-1.3)=-1; ceil(1.3)=2;
round
四舍五入到最近的整數(shù),如round(-1.3)=-1;round(-1.52)=-2;round(1.3)=1;round(1.52)=2。
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