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I've been working through the Elementary Introduction to the Wolfram Langauge book on the Wolfram website. Chapter 24, on "More Forms of Visualization" has an example of using `ListPlot3D` with `&[GeoElevationData][1]` to yield a 3-dimensional view... |
I'm struggling to understand why Mathematica 13.1 gives multiple linear regression coefficients that are greatly different from the Data Analysis package in Excel and Maple's LinearFit function. I'm assisting a colleague who is using Excel to find... |
I am using Piecewise with conditions based on whether x is a rational number or not. The function assignment seems to work. But when I plot it, an empty plot shows up (though the PlotLabel looks nice). Clear[f]; f[x_] := Piecewise[{{x,... |
I'm working on a problem from an old textbook that involves composite functions, domains, and equalities that are valid within a given domain. After being given f(x)=1/(1-x), I'm asked to find the domain of a composite function, as shown here: ... |
I am reviewing my old calculus book from college, Calculus and Analytic Geometry, 4th Ed. (by Sherman K. Stein). I started a notebook in MMA 10.0.2 to do the problems at the end of each section, if I can. See attached. (Not much there yet because... |