Lp norm
= Lp norm
{title2=$\lVert\mathord\cdot\rVert_p$}
{wiki}
For a measurable function $f$, its $L^p$ norm is
$$
\lVert f\rVert_p=\left(\int |f|^p\right)^{1/p}
$$
when $1\leq p<\infty$, while $\lVert f\rVert_\infty$ is its essential supremum.
= Lp norm
{title2=$\lVert\mathord\cdot\rVert_p$}
{wiki}
For a measurable function $f$, its $L^p$ norm is
$$
\lVert f\rVert_p=\left(\int |f|^p\right)^{1/p}
$$
when $1\leq p<\infty$, while $\lVert f\rVert_\infty$ is its essential supremum.