Keywords: Nonuniform curl.svg en A plot of the vector field <math>F x y -x 2\boldsymbol \hat y </math> Self-made with Mathematica 7 0 own Glosser ca 2011-02-17 http //commons wikimedia org/wiki/File Nonuniformcurl JPG Mathematica 7 Source Code VectorPlot 0 -x 2 x -5 5 y -5 5 FrameLabel-> x y Vector fields |