Difference between revisions of "4-gradient"
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| − | <center><math>\ | + | <center><math>\nabla_\mu=\frac{\partial}{\partial x_\mu}=\partial_\mu</math></center> |
<center><math>\mathbf \partial_\mu \equiv \Biggl [ \frac{\partial}{\partial t}\quad \frac{\partial}{\partial x}\quad \frac{\partial}{\partial y}\quad \frac{\partial}{\partial z}\Biggr ]=\Biggl [\frac{\partial}{\partial x_0}\quad \frac{\partial}{\partial x_1}\quad \frac{\partial}{\partial x_2}\quad \frac{\partial}{\partial x_3}\Biggr ]</math></center> | <center><math>\mathbf \partial_\mu \equiv \Biggl [ \frac{\partial}{\partial t}\quad \frac{\partial}{\partial x}\quad \frac{\partial}{\partial y}\quad \frac{\partial}{\partial z}\Biggr ]=\Biggl [\frac{\partial}{\partial x_0}\quad \frac{\partial}{\partial x_1}\quad \frac{\partial}{\partial x_2}\quad \frac{\partial}{\partial x_3}\Biggr ]</math></center> | ||
Revision as of 23:49, 9 July 2017