Mathematica Tips

@MathematicaTip のツイートをまとめました。数式処理プログラム Mathematica を使う人にとって便利な Tips が満載! 新しいツイートはこちら http://togetter.com/li/757785 続きを読む
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Mathematica Tips @MathematicaTip

Specify the color of graphics primitives with opacity: Graphics3D[{XYZColor[1, 0, 1], Sphere[]}]

2014-12-11 01:15:59
Mathematica Tips @MathematicaTip

Pattern resembling Pascal's triangle: NestList[Differences, Normal[SparseArray[10 -> 1, 21]], 11]

2014-12-10 01:23:02
Mathematica Tips @MathematicaTip

XMLTemplate turns into a TemplateObject: XMLTemplate[""]

2014-12-09 01:24:32
Mathematica Tips @MathematicaTip

Get the user information from a generic URL: URLParse["ssh://user:pass@host:port/base2?par1=val1#fragment", "User"]

2014-12-05 01:07:31
Mathematica Tips @MathematicaTip

The curvature, tangent, and normal for a circle in two dimensions: FrenetSerretSystem[{Cos[t], Sin[t]}, t]

2014-12-04 01:44:33
Mathematica Tips @MathematicaTip

Compute a matrix kernel for quadratic interpolation over a window of radius 5: SavitzkyGolayMatrix[5, 2] // MatrixPlot

2014-12-03 00:56:36
Mathematica Tips @MathematicaTip

Make a graphic of solar system orbit paths: Graphics3D[PlanetData[PlanetData[], "OrbitPath"]]

2014-12-02 00:35:12
Mathematica Tips @MathematicaTip

The visible region from geostationary orbit: GeoGraphics[GeoVisibleRegion[{0, 0, Quantity[35786, "Kilometers"]}], GeoRange -> "World"]

2014-11-26 01:08:53
Mathematica Tips @MathematicaTip

Estimate the correlation function at lag 2: CorrelationFunction[{2, 3, 4, 3}, 2]

2014-11-25 02:17:52
Mathematica Tips @MathematicaTip

A random collection of lines: Graphics3D[Table[{Hue[RandomReal[]], InfiniteLine[RandomReal[1, {2, 3}]]}, {100}], BoxRatios -> 1]

2014-11-22 00:52:01
Mathematica Tips @MathematicaTip

Distance between two colors: ColorDistance[Red, Blue]

2014-11-21 04:15:43
Mathematica Tips @MathematicaTip

Find the shortest tour in a graph: g = PolyhedronData["Dodecahedron", "SkeletonGraph"]; FindShortestTour[g]

2014-11-20 00:45:04
Mathematica Tips @MathematicaTip

Interpret phone numbers: Interpreter["PhoneNumber"]["+1 (202) 456-1111"]

2014-11-19 03:08:30
Mathematica Tips @MathematicaTip

3D infinite line: Graphics3D[InfiniteLine[{0, 0, 0}, {1, 2, 3}]]

2014-11-18 00:58:40
Mathematica Tips @MathematicaTip

Use diffuse surface color: Graphics3D[{LUVColor[1, -.5, 1], Sphere[]}]

2014-11-15 02:12:30
Mathematica Tips @MathematicaTip

Specify currency value at specific date: CurrencyConvert[Quantity[1, DatedUnit["USDollars", {2009,5,1}]], DatedUnit["Euros", {2009,5,1}]]

2014-11-14 01:17:05
Mathematica Tips @MathematicaTip

Reorder the keys of all associations: KeyUnion[{<|a -> 1, b -> 2, c -> 3|>, <|c -> z, a -> x, b -> y|>}]

2014-11-13 02:00:42
Mathematica Tips @MathematicaTip

Decode percent-encoded string using specified encoding: URLDecode["E%9Atv%9As+Lor%87nd+University", CharacterEncoding -> "MacintoshRoman"]

2014-11-12 04:19:17
Mathematica Tips @MathematicaTip

View the traditional form of the Cantor staircase function: CantorStaircase[x] // TraditionalForm

2014-11-11 02:23:18
Mathematica Tips @MathematicaTip

G7 country collage by population: ImageCollage[Rule @@ CountryData[#, {"Population", "Flag"}] & /@ CountryData["G7"], ImagePadding -> 3]

2014-11-08 02:49:12
Mathematica Tips @MathematicaTip

Particle lifetime rank plot showing no time quantization evidence: ListLogPlot[Reverse[Sort[ParticleData[#,"Lifetime"]& /@ ParticleData[]]]]

2014-11-07 02:19:51
Mathematica Tips @MathematicaTip

Use the "Albers" projection with default parameters: GeoGraphics[GeoRange -> "World", GeoProjection -> "Albers"]

2014-11-06 01:32:18
Mathematica Tips @MathematicaTip

Get a list of US Congressional Districts: EntityList["USCongressionalDistrict"]

2014-11-05 00:56:18
Mathematica Tips @MathematicaTip

Diagonals of Pascal's triangle: Transpose[NestList[Accumulate, Range[5], 5]]

2014-11-04 01:39:35
Mathematica Tips @MathematicaTip

Find positions of elements in an association: PositionIndex[<|1 -> a, 2 -> b, 3 -> c, 4 -> d, 5 -> c, 6 -> a|>]

2014-11-01 00:34:38
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