분류:

• 과학
• 물리학

\\begin{aligned}
\\boldsymbol{\\nabla} \\boldsymbol{\\cdot} \\mathbf{D} &= \\rho_f \\\\
\\boldsymbol{\\nabla} \\boldsymbol{\\cdot} \\mathbf{B} &= 0 \\\\
\\boldsymbol{\\nabla} \\times \\mathbf{E} &= -\\frac{\\partial \\mathbf{B}}{\\partial t} \\\\
\\boldsymbol{\\nabla} \\times \\mathbf{H} &= \\mathbf{J}_f + \\frac{\\partial \\mathbf{D}}{\\partial t}
\\end{aligned}