h*********e
发帖数: 170 | 1 I use matlab symbolic toolbox and got two strange results:
1) signum(1,x)
2) abs(1,x)
what is the meaning of the two function?
Thank you. | g***i
发帖数: 90 | 2 it's interesting. u can try
>> abs(1,x)
ans =
sign(x)
>> abs(1,x)+0
ans =
115 105 103 110 40 120 41
【在 h*********e 的大作中提到】
: I use matlab symbolic toolbox and got two strange results:
: 1) signum(1,x)
: 2) abs(1,x)
: what is the meaning of the two function?
: Thank you.
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