
I. 12.13 Vector Field Circulation
Condition: Find the vector circulation \ (\ vec {a} = 2 y \ vec {\ iMath} -3 z \ vec {\ jmath}+x^{2} \ vec {k} \) along the contour G: \ ( \ left \ {\ begin {array} {c} x^{2}+z^{2} = 1 \\ X = 1 \ End {Array} \ Right. coordinates).