How to calculate scalar curvature, Ricci tensor and Christoffel symbols in Mathematica?
How to plot an ellipse?
xkcd-style Plots
Placing text within a plot
Is it possible to export the equations from Mathematica to MATLAB?
How to manipulate 2D plots?
Figuring when the minute and hour hand coincide on a clock
How to calculate scalar curvature, Ricci tensor and Christoffel symbols in Mathematica?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8895
I am seeking a convenient and effective way to calculate such geometric quantities. I've used packages like TensoriaCalc , but they don't work at all time. Sometimes,... [symbolic] [physics] [tensors] [differential-geometry]
asked by Zoe Rowa https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1713 Score of
52 answered by Yi-Zen Chu https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4869
Score of 25 How to plot an ellipse? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=20100
I'm new to Mathematica, and I'm finding it difficult to plot an ellipse. I tried using Plot[(x/5)^2 + (y/3)^2 == 1, {x, -5, 5}, {y, -3, 3}] but I'm getting ... [plotting]
asked by Sriram https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=6075 Score
of 19 answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245
Score of 33 xkcd-style Plots https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11350
I received an email to which I wanted to respond with a xkcd-style graph, but I couldn't manage it. Everything I drew looked perfect, and I don't have enough command over ... [plotting] [generative-art]
asked by Amatya https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2039 Score of 639 answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862
Score of 503 Placing text within a plot https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=71776
I want to place text within a plot. The text is always centered relative to the coordinates. How can I left-align or right-align the text relative to the coordinates? For example: ... [plotting] [graphics] [text]
asked by Anthony Mannucci https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=24733 Score
of 27 answered by m_goldberg https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3066
Score of 12 Is it possible to export the equations from Mathematica to MATLAB?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=14035
Is it possible to export the output expressions from Mathematica computations (e.g., equations) in valid MATLAB syntax? [export] [matlab]
asked by Seyhmus Güngören https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4256
Score of 47 answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5
Score of 51 How to manipulate 2D plots? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=7142
When it comes to visual analysis, large datasets or data with intricate internal details often makes plotting in 2D useless, as the outcome is either just a fraction of the full dataset, or no details ... [plotting] [graphics] [dynamic] [gui-construction]
asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 Score of
145 answered by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89
Score of 164 Figuring when the minute and hour hand coincide on a clock https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=573
I would like to list all possible times in a 12-hour period, where the hour hand overlaps the minute hand completely. This is really a question about three distinct things - to be done in Mathematica ... [equation-solving]
asked by Steve D https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=191 Score
of 16 answered by Verbeia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8
Score of 22