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basic_tools:symbols [2018/03/28 16:00] jakobadmin |
basic_tools:symbols [2018/03/28 16:09] jakobadmin |
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&\subset \; \rm is \; ``subset\; of" \\ | &\subset \; \rm is \; ``subset\; of" \\ | ||
&\equiv \; \rm is\;``defined\; as" \\ | &\equiv \; \rm is\;``defined\; as" \\ | ||
+ | &= \quad \text{exactly equal} \notag \\ | ||
+ | &\propto \quad \text{equality except perhaps for a factor with dimension} \notag\\ | ||
+ | &\sim \quad \text{equality except perhaps for a factor without dimensions} \notag \\ | ||
+ | &\approx \quad \text{equality except perhaps for a factor close to 1} | ||
\end{align} | \end{align} | ||
- | There are several species of equality: | ||
- | \begin{align} | ||
- | = & \quad \text{exactly equal} \notag \\ | ||
- | \propto & \quad \text{equality except perhaps for a factor with dimension} \notag\\ | ||
- | \sim & \quad \text{equality except perhaps for a factor without dimensions} \notag \\ | ||
- | \approx & \quad \text{equality except perhaps for a factor close to 1} | ||
- | \end{align} | ||
- | |||
- | Source: page 6 in Street Fighting Mathematics by Mahajan | ||
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