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- documentclass[avery5388,grid,frame]{flashcards}
- cardfrontstyle[largeslshape]{headings}
- cardbackstyle{empty}
- begin{document}
- cardfrontfoot{Functional Analysis}
- begin{flashcard}[Definition]{Lever celler}
- includegraphics[width=.8linewidth]{billeder/0604}
- end{flashcard}
- begin{flashcard}[Definition]{Inner Product}
- Let $X$ be a complex linear space. An emph{inner product} on $X$ is
- a mapping that associates to each pair of vectors $x$, $y$ a scalar,
- denoted $(x,y)$, that satisfies the following properties:
- medskip
- begin{description}
- item [Additivity] $(x+y,z) = (x,z) + (y,z)$,
- item [Homogeneity] $(alpha : x, y) = alpha (x,y)$,
- item [Symmetry] $(x,y) = overline{(y,x)}$,
- item [Positive Definiteness] $(x,x) > 0$, when $xneq0$.
- end{description}
- end{flashcard}
- end{document}
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