Sign
Signum function
Syntax
Sign(x) |
x is real scalar |
Return 1 if x>0, 0 if x = 0, and -1 if x < 0 |
x is complex scalar |
Return the result of x / Abs(x) |
|
x is matrix |
Return a matrix in which the element is the Signum function value of the element in x |
Example
Input |
Output |
sign(-0.9) |
|
sign(1 + 2i) |
|
sign([1+i, 0, 1-i]) |
|
sign([i, 1-3i; -2i, 5]) |
See Also
Created with the Personal Edition of HelpNDoc: Create HTML Help, DOC, PDF and print manuals from 1 single source