1、floor函式：朝負無窮大方向取整
2、用法說明：
y = floor(x) 函式將x中元素取整，值y為不大於本身的最小整數。對於複數，分別對實部和虛部取整
3、用法舉例
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>> x = [3+4i 6-7i 9+11i 1-4i 3.4-4.5i 90.67-123i]
x =
1.0e+02 *
columns 1 through 5
0.0300 + 0.0400i 0.0600 - 0.0700i 0.0900 + 0.1100i 0.0100 - 0.0400i 0.0340 - 0.0450i
column 6
0.9067 - 1.2300i
>> y = floor(x)
y =
1.0e+02 *
columns 1 through 5
0.0300 + 0.0400i 0.0600 - 0.0700i 0.0900 + 0.1100i 0.0100 - 0.0400i 0.0300 - 0.0500i
column 6
0.9000 - 1.2300i
>> x = [3+4i 6-7i 9+11i 1-4i 3.4-4.5i 90.67-123i]
x = 1.0e+02 *
columns 1 through 5
0.0300 + 0.0400i 0.0600 - 0.0700i 0.0900 + 0.1100i 0.0100 - 0.0400i 0.0340 - 0.0450i
column 6
0.9067 - 1.2300i
>> y = floor(x)
y = 1.0e+02 *
columns 1 through 5
0.0300 + 0.0400i 0.0600 - 0.0700i 0.0900 + 0.1100i 0.0100 - 0.0400i 0.0300 - 0.0500i
column 6
0.9000 - 1.2300i
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>> help floor
floor round towards minus infinity.
floor(x) rounds the elements of x to the nearest integers
towards minus infinity.
see also round, ceil, fix.
overloaded methods:
codistributed/floor
gpuarray/floor
reference page in help browser
doc floor
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