![]() ![]() Pay attention to the underscore and colon in the definition ofį:=x^2+x+1 My recommendation is to use more complicated names for functions to avoid duplication and to always clear the string that you are using as the name. This is not a prudent programming practice, since when you reopen your notebook later these numbers will change, so N can mean something completely different.Ģ:45-3:25 Notice that a matrix in Mathematica is just a list of lists.ģ:35-5:00 A variable assignment, much better way to deal with important special values.ĥ:20-6:50 How to create your own functions. But please, in your notebooks do not use %, like in N, to cite results of previous calculations. Pay attention to these features in this movie:Ġ:45-2:35 Mathematica always performs exact calculations.
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