Commit 2021-07-13 20:14 29b63a7e

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feat(data/matrix/basic): add conj_transpose (#8291) As requested by Eric Wieser, I pulled one single change of #8289 out into a new PR. As such, this PR will not block anything in #8289.

Estimated changes

Modified src/data/matrix/basic.lean

added def matrix.conj_transpose

added theorem matrix.conj_transpose_add

added theorem matrix.conj_transpose_apply

added theorem matrix.conj_transpose_conj_transpose

added theorem matrix.conj_transpose_minor

added theorem matrix.conj_transpose_mul

added theorem matrix.conj_transpose_neg

added theorem matrix.conj_transpose_one

added theorem matrix.conj_transpose_reindex

added theorem matrix.conj_transpose_smul

added theorem matrix.conj_transpose_sub

added theorem matrix.conj_transpose_zero

modified theorem matrix.star_apply

added theorem matrix.star_eq_conj_transpose

modified theorem matrix.star_mul