[pstricks] How to show a specific point of a function's curve?

[Herbert Voss]

Am 24.01.2011 10:04, schrieb Denis Bitouzé:

>>   \qdisk(*3 {x^2/10}){2pt}% or \pnode(*3 {x^2/10}){Fx}
>>   \psline(3,0)(*3 {x^2/10})(0,0|*3 {x^2/10})

> Maybe it could be useful to automate this by a command such as:
> 
> \psshowpoint{x^2/10}{3}
> 
> with optional PointSymbol=... (as in pst-eucl).

in general yes, but the problem is that we already have tons
of macros and nobody really knows all names and meanings ...

Herbert