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# lect03 - UCF Physics AST 5765/4762(Advanced Astronomical...

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UCF Physics: AST 5765/4762: (Advanced) Astronomical Data Analysis Fall 2008 Lecture Notes: 3. Shell, Python 1 Summary Pre-Class: Copy handouts, demos, visuals to planets Lecture: Introduction Linux Intro Lab Logs/Emacs Python Intro Handouts: emacs-cheat-sheet vnc-on-* HW2 2 Basic Python Demos: 11:25 — 11:45, 20 min Quick demo from chapter 1.1 of pyastrotut Quick demo from Matplotlib tutorial 3 Python Basic Data Types: 10:35 — 10:55, 20 min what is a variable? string, int, long, float none and type in-class exercises: what is the largest number Python can hold? what is the smallest positive number Python can hold? what is the most negative number Python can hold? what is the largest negative number Python can hold? If one uses int, float, or complex, one gets the default precision for that type. Basic operations, precedence, promotion 1

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Overflow NaN, Inf, -Inf Integer division 4 Python Basic Container Data Types: 10:55 — 11:05, 10 min
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lect03 - UCF Physics AST 5765/4762(Advanced Astronomical...

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