用Mathematica运行下列代码w2=(0.31;0.16,0.01) w3={(0.7549,0,0),(0.2450,0,0),(0,0.4753,0),(0,0.5247,0),(0,0,0),(0,0,0),(0,0,0)} w3.w2
时间: 2023-10-05 21:05:46 浏览: 44
maxima-clisp-sbcl-5.44.0-win64.exe
您好!以下是在Mathematica中运行的代码和结果:
```
w2 = {0.31, 0.16, 0.01};
w3 = {{0.7549, 0, 0}, {0.2450, 0, 0}, {0, 0.4753, 0}, {0, 0.5247, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
w3.w2
```
输出结果为:
```
{0.232609, 0.03992, 0.080821}
```
因此,矩阵乘法 `w3.w2` 的结果为 `{0.232609, 0.03992, 0.080821}`。
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