{"type":"rich","version":"1.0","title":"Laplace's equation in two dimensions","html":"<span class=\"wb-embed wb-embed-math\" data-latex=\"\\frac{\\partial^{2}u}{\\partial x^{2}}+\\frac{\\partial^{2}u}{\\partial y^{2}}=0\">\\frac{\\partial^{2}u}{\\partial x^{2}}+\\frac{\\partial^{2}u}{\\partial y^{2}}=0</span>","width":640,"height":320}