关键词
Mathematica[1]
学习报告
Mathematica 指令表
| Mathematica 指令表 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 操作 | 指令 | ||||||||||||
| enter i | type esc-ii-esc | ||||||||||||
| enter square root | control -2 | ||||||||||||
| enter "e" | esc-ee-esc | ||||||||||||
| Mutiply the matrix A by the Vector v. | A.v %//MatrixForm | ||||||||||||
| Determinant | Det[A] | ||||||||||||
| Inverse | Inverse[A]//MatrixForm | ||||||||||||
| MatrixPower | [A,2]//MatrixForm or A²//MatrixForm | ||||||||||||
| Transpose | Transpose[A]//MatrixForm | Extract | A1//MatrixForm | Make a 10×10 matrix and automatically populate if with a formula. | M=Table[i*j+sin[i+j},{i,1,10},{j,1,10}];M//MatrixForm | data={1,2,3,4,5} | av2[v_]:=Total[v]/Length[v];av2[data] | Function | Define a function | ||||