ATAN(3) 1 ATAN(3)atan - Arc tangentSYNOPSIS
float atan (float $arg)
DESCRIPTION
Returns the arc tangent of $arg in radians. atan(3) is the complementary function of tan(3), which means that a==tan(atan(a)) for every
value of a that is within atan(3)'s range.
PARAMETERS
o $arg
- The argument to process
RETURN VALUES
The arc tangent of $arg in radians.
SEE ALSO tan(3), atanh(3), asin(3), acos(3).
PHP Documentation Group ATAN(3)
Help!!
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I need help setting it up on a Linux box. (1 Reply)
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Hello All,
I need your help in the following situation. I have a 100x100 matrix with angle values ranging from -180 to 180. I would like to calculate the atan2 values for the above mentioned matrix, and the output should be in the same format (100x100 matrix).
I tried the following code:
... (3 Replies)