princewifi: The gradient of the function f(x,y) = −(cos2x + cos2y)2 depicted as a projected vector field on the bottom plane

princewifi: The gradient of the function f(x,y) = −(cos2x + cos2y)2 depicted as a projected vector field on the bottom plane

tags: yeah,

from: https://www.tumblr.com/blog/view/knifeandlighter/83494744330