The adjoint of a matrix-scalar product is the product of the adjoint and the conjugate.

Created almost 9 years ago, updated about 8 hours ago

For a complex scalar $c$, $(cA)^*=\overline c\,A^*$. Thus adjoint is conjugate-linear. For example, $(iA)^*=-iA^*$. Over real scalars the conjugate has no effect.

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