linear algebra - Show that $ (U + W)^ {\perp} = U^ {\perp}\cap W . . . Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
linear algebra - Proving that $M^{\perp} = M^{\perp\perp\perp . . . Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
Prove that Euclidean space is the direct sum of $U$ and $U^\\perp$ Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
A question related to $S^{\\perp}$ and closure of span of $S$ Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
functional analysis - $M^ {\perp \perp}$ is the smallest closed . . . I am wondering if proving that $\overline{\text{span}(M)}=M^{\perp \perp}$ works for this problem, and if so, whether my solution is correct: It’s clear that $ M^{\perp \perp} $ is a closed subspace because for any arbitrary subset $ S $ of $ H $, $ S^{\perp} $ is a closed subspace It is also clear that $ M \subset M^{\perp \perp} $
What is the meaning of superscript $\\perp$ for a vector space Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
real analysis - A subspace $X$ is closed iff $X =( X^\perp)^\perp . . . Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers