SetCoordinates[Cartesian[x,y,z]]or Spherical or Cylindrical to establish coordinates,then Grad[expr(a,y,z)], Div([vector], Curl[vector],Laplacian[expr(a,y,z)],Laplacian[vector], CoordinatesFromCartesian[V,coords] (converts from Cartesian to coords), CoordinatesToCartesian[V,coords](https:/...
So I'm currently creating a dynamic table using some JavaScript and a set of objects. I need to add in some white space between the two but one space isn't enough, I need to have it almost tabbed out...How to apply styles to elements by selecting using class names in angular? This...
250]; getStream := DeviceReadList[obj, 14] // FromCharacterCode; list := ToExpression@StringSplit[getStream][[2]]; append := AppendTo[bug, DeviceRead[obj]]; Dynamic[append; bug = Take[bug, -250]; ListLinePlot
$Letters 和$StringOrder 现在仅有内置数值,但这些数值可以处理所有可能的 Mathematica 字符. StringByteCount 不再被支持. 任意精度近似实数现默认在 InputForm 中以digits`prec 形式给出. 这个行为由 $NumberMarks 控制. 大的近似实数现默认在 InputForm 中以digits*^exponent 形式给出. HomeDirectory[ ] 已被$...
输出）StandardForm使用特殊字符和特殊格式的表示形式（输入/出）TraditionalForm数学中类似的表示形式（输出） 方法： 例: 表达式//某种输出形式通过“Cell”|”ConvertTo”|”相应的菜单项”转换 通过输出 11x^2Pix ...
ImageData[ColorConvert[ig[[#]],"Grayscale"]][[;;,;;,1]],x_/;x<N@ImageDimensions[ig[[#]]][[1]]][[1]])}]&/@ Range[Length@ig];{ImageAssemble@ Transpose@List@i,Map[ImageDimensions[#][[2]]&,i]}];fP[numAudio_,start_:0,end_:Infinity]:=Module[{n1=numAudio,s=start,e=...
输出命令Print与交互式输入Input Print[e1,e2,e3,...] 依次输出表达式的值,表达式间不留空格 Input[提示] 读入一完整的Mathematica表达式 InputString[] 读入一字符串 2.? 特殊符号和特殊格式的输入 法一:介助于输入面板 “File”|“Plaettes”|“相应的菜单项” 法二:介助于菜单 “Edit”|“Expression ...
- #], Min[Abs[charDensityList - #]]] &, Import["Lenna.jpg"]~ImageResize~100~ColorConvert~...
4. A picture of a person in a folk costume sitting next to a bear with a ladder leaning against a house. Here we extract the descriptions into a list: descr = StringSplit[storyImagesDescriptions, "\n"]; Here we generate the story from the descriptions above (using OpenAI’s ChatGPT):...
To each record add a WL expression for the extracted week span and sort the records by week start date: pres3 = Map[Prepend[#, "WeekSpan" -> Map[DateObject@*StringTrim, StringSplit[#["week_span"], "-"]]] &, pres2]; pres3 = SortBy[pres3, First@#WeekSpan &]; ...