Mathematica 应用技巧 Part 2

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20        :        The usual text formatting shortcuts apply: Ctrl+B (Mac: Cmd+B) for bold, Ctrl+I (Mac: Cmd+I) for italics, Ctrl+U (Mac: Cmd+U) for underline. 转自Twitter#Mathematica Tip#
19        :        Neat idea! Try d=Table[0,{80}];Dynamic@ListLinePlot[d=Rest@Append[d,Norm[Flatten[{1,-1}.ImageData/@ CurrentImage[ 2]],1]]] 转自Twitter#Mathematica Tip#
18        :        If you evaluate ImageCapture[], you get a camera GUI including a Stop button.  转自Twitter#Mathematica Tip#
17        :        Import and export ZIP and other compressed formats: Export["test.zip", {"plot.jpg" -> Plot[Sin[ x], {x, 0, 10}]}].  转自Twitter#Mathematica Tip#
16        :        Mathematica switches the camera off automatically if it is not used for a while. 转自Twitter#Mathematica Tip#
15        :        One-line motion detector: Dynamic[ColorNegate[ImageDifference @@ CurrentImage[ 2]]] 转自Twitter#Mathematica Tip#
14        :        Specularity adds zing to your graphics: Graphics3D[Table[{Specularity[White, 20], Hue[RandomReal[ ]], Sphere[RandomReal[10, 3]]}, {50}]] 转自Twitter#Mathematica Tip#
13        :        Forgot how you defined a function? Type ?f to see your definitions for f. For built-in functions, ?f shows how to use the function. 转自Twitter#Mathematica Tip#
12        :        Triple-click a function name to instantly select the function and all its arguments. 转自Twitter#Mathematica Tip#

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