Top "Wolfram-mathematica" questions

Wolfram Mathematica is a computer algebra system and programming language from Wolfram Research.

How do I find Waldo with Mathematica?

This was bugging me over the weekend: What is a good way to solve those Where's Waldo? ['Wally' outside of …

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Plotting horizontal and vertical lines in Mathematica

In Mathematica, how do you plot a horizontal line at a given number? How do you plot a vertical line …

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How do I label different curves in Mathematica?

How can I label each of these lines separately : Plot[{{5 + 2 x}, {6 + x}}, {x, 0, 10}]

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What is in your Mathematica tool bag?

We all know that Mathematica is great, but it also often lacks critical functionality. What kind of external packages / tools / …

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How to calculate the convolution of a function with itself in MATLAB and WolframAlpha?

I am trying to calculate the convolution of x(t) = 1, -1<=t<=1 x(t) = 0, outside with itself using …

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How to insert a column into a matrix, the correct Mathematica way

I think Mathematica is biased towards rows not columns. Given a matrix, to insert a row seems to be easy, …

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How to combine two lists to plot coordinate pairs?

I have read x-data (from text files) into list1, and y-data similarly into list2: list1 = { 0.0, 0.172, 0.266, ..} list2 = {-5.605, -5.970, -6.505, ..} How …

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How to define a function by intervals in Mathematica?

How can I define a function f(x) in Mathematica that gives 1 if x is in [-5, -4] or [1, 3] and 0 …

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What does # mean in Mathematica?

Does anyone know What # in for example Root[-1 - 2 #1 - #1^2 + 2 #1^3 + #1^4 &, 1] means in Mathematica? Then what does Root[-1 …

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Exporting graphics for publications: how to achieve consistent line thicknesses in plot elements?

It seems that creating publication-quality graphics with mma is a black art that dates back decades. Although things have much …

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