In[1]:= |
⨯
{1, 2, 3}.{a, b, c} |
Out[1]= |
In[2]:= |
⨯
{1, 2, c}\[Cross]{a, b, c} |
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In[1]:= |
⨯
Norm[{1, 1, 1}] |
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In[2]:= |
⨯
Projection[{8, 6, 7}, {1, 0, 0}] |
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In[3]:= |
⨯
VectorAngle[{1, 0}, {0, 1}] |
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∇
符号.)
In[1]:= |
⨯
\!\( \*SubscriptBox[\(\[Del]\), \({x, y}\)]\({ \*SuperscriptBox[\(x\), \(2\)] + y, x + \*SuperscriptBox[\(y\), \(2\)]}\)\) |
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In[2]:= |
⨯
Div[{f[x, y, z], g[x, y, z], h[x, y, z]}, {x, y, z}] |
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