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drastic_measures [2016/07/17 15:24] nikolaj |
drastic_measures [2016/07/17 15:28] nikolaj |
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| $N_Sf:=(Sf)^{-1}\cdot f$, | $N_Sf:=(Sf)^{-1}\cdot f$, | ||
| - | which we'll also write as | + | has $SN_Sf=e$ and $[N_S]=[S^{-1}]$. |
| - | $\bar{f}:=(Sf)^{-1}\cdot f$ | + | As $S$ is linear, |
| - | has $S\bar{f}=e$. | + | $N_S(c\,f)=N_S(f)$ |
| + | |||
| + | We'll also write | ||
| + | |||
| + | $\bar{f}:=(Sf)^{-1}\cdot f$ | ||
| == Example 1 == | == Example 1 == | ||
