Why round to even integers?
Elegant operations on matrix rows and columns
Generate a Unit Circle Trigonometry
Plotting Complex Quantity Functions
How to tell Mathematica that certain variables are real/imaginary, integer-valued, etc
How do I plot a plane EM wave?
How to create a histogram from a given frequency table
Why round to even integers? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2116
According to the Mathematica help: Round rounds numbers of the form x.5 toward the nearest even integer. For example: Round[{0.5, 1.5, 2.5, 3.5, 4.5}] gives <... [numerics] [language-design]
asked by wxffles https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=427 Score of 88 answered by Per Alexandersson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=488
Score of 55 Elegant operations on matrix rows and columns https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3069
Question The Mathematica tutorial has a section 'Basic Matrix Operations', describing operations like transpose, inverse and determinant. These operations all work on entire matrices. I am missing a ... [matrix] [list-manipulation] [faq]
asked by sjdh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=515 Score of 208 answered by Mr.Wizard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=121
Score of 70 Generate a Unit Circle Trigonometry https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2456
Struggling often with Trigonometry I would like to have some code to generate this Unit Circle Trigonometry. Would be of great help when I need to transform some data : [graphics] [labeling] [trigonometry] [mapthread]
asked by 500 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=172 Score of 22 answered by Mark McClure https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36
Score of 36 Plotting Complex Quantity Functions https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3458
Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in ... [plotting] [complex] [faq]
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 Score
of 42 answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184
Score of 29 How to tell Mathematica that certain variables are real/imaginary, integer-valued, etc
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=66273
I'm trying to expedite some quantum mechanical calculations (expectation values etc.) by running them through Mathematica. When I say, for example, ... [functions] [complex] [assumptions] [variable-definitions]
asked by Matthew Brunetti https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=22304 Score
of 57 answered by SquareOne https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19960
Score of 42 How do I plot a plane EM wave? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1987
I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ... [graphics] [physics] [visualization]
asked by Rainforest Frog https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=202 Score of 25 answered by J. M.'s missing motivation https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50
Score of 18 How to create a histogram from a given frequency table https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=70059
I wanted to draw a histogram as in the photo above, I typed the command: ... [plotting] [histograms]
asked by Perw https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23500 Score of 4 answered by bbgodfrey https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1063
Score of 7