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matlab question: signum and abs
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matlab question: signum and abs# Computation - 科学计算
h*e
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.
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g*i
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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