IntroMathematica

IntroMathematica - Introduction to Mathematica L A T E X...

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Unformatted text preview: Introduction to Mathematica L A T E X file: IntroMathematica-nb-all Daniel A. Graham <daniel.graham@duke.edu>, June 30, 2005 This is a brief introduction to those features of Mathematica that you will find most useful for this course. At Duke, see http://www.oit.duke.edu/site/software/mathematica.html for information about obtaining Mathematica. Basics I am preparing this document using the notebook interface for the Unix version of Mathematica so the keyboard shortcuts I describe may be a bit different if youre using either the Windows or Mac versions. Though Mathematica has both a notebook or graphics interface and a character-based interface,you will most likely be using the notebook interface and this differs little between operating systems.When you save your notebook youll get a standard ascii notebook file that is exactly the same no matter which operating system youre using.You could email this file to a friend,for example,and he/she would be able to use it no matter which operating systems the two of you are using.You could also select File/SaveasSpecial/HTML or File/SaveasSpecial/T E X, as I will do with this document to display it on the internet. When you start Mathematica, the screen will be blank save for a horizontal line across the top of the screen. This line represents the insertion point for a " cell " . A cell can contain text, such as this paragraph, a headline, such as " Introduction to Mathematica " at the beginning of this document, input to be processed by Mathematica, output returned by Mathematica and so forth. The default is input but you can change this while the horizontal line is visible by selecting from the Format/Style. Once you start typing, the line will disappear and the characters you type will appear together with a " bracket " in the right-hand margin. You can click on this bracket and make another selection from the Format/Style menu if you change your mind about the style you want. If you move the curor to the end (or beginning) of a cell, a new insertion line will appear where you can, once again, select a style and enter new material. You can also, of course, return to any existing cell and make any changes you like. Input Expressions Simply enter an expression, say (2+3) 3, in an input cell and press the shift key and the enter key at the same time. Mathematica will process your input, label your input cell with " In[#] " and return its output in a cell labeled " Out[#] " where " # " is the number Mathematica assigns to this matched pair of cells. In: ( 2 + 3 ) 3 Out: 125 If you edit your input cell, " In[#] " will disappear to remind you that your new input has not yet been processed. The operators are what you would expect, with * or space for multiplication and for exponentiation....
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IntroMathematica - Introduction to Mathematica L A T E X...

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