slib_lang_exists_tmp=yes

slib_title=Phase portrait of a differential system

slib_out= Draw the phasis portrait of an autonome differential system\
  x' = f1(x,y) , y' = f2(x,y).

slib_comment=The first item of the output is: by default, the flydraw code (option word raw); \
the address of the generated image if the option word is url ; \
the html code for inserting image if the option word is the option html.
