[PD] expression with arctn
IOhannes m zmölnig
zmoelnig at iem.at
Sun Feb 2 20:39:45 CET 2020
On 2/2/20 8:18 PM, Csaba Láng wrote:
> Dear list,
>
> how would you calculate with an expression this formula:
>
> arctg(y/x)
the canonical object for this is [atan2].
since you asked about "expressions", use:
[expr atan($f2/$f1)]
>
>
> looks like tan, sin, cos cannot be in the expression, does it mean I have
> to brake it into parts?
what do you see that i don't when creating
[expr tan($f1); sin($f1); cos($f1)]
?
fgmdsar
IOhannes
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