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<TITLE> 阵列运算 </TITLE>
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<H1>2.4.3 阵列运算</H1>
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以下将阵列的运算符号及其意义列出，除了加减符号外其余的阵列运算符号均须多加
<FONT COLOR=#FF0000>. </FONT>符号。
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阵列运算功能 功能
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<FONT COLOR=#FF0000>+</FONT> 加
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<FONT COLOR=#FF0000>-</FONT> 减
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<FONT COLOR=#FF0000>.*</FONT> 乘
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<FONT COLOR=#FF0000>./</FONT> 左除
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<FONT COLOR=#FF0000>.^</FONT> 次方
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<FONT COLOR=#FF0000>.'</FONT> 转置<BR>
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<FONT COLOR=#FF0000>>> a=1:5; a-2 % 从阵列a减2</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>-1 0 1 2 3</FONT>
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<FONT COLOR=#FF0000>>> 2*a-1 % 以2乘阵列a再减1</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>1 3 5 7 9</FONT>
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<FONT COLOR=#FF0000>>> b=1:2:9; a+b % 阵列a加阵列b</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>2 5 8 11 14</FONT>
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<FONT COLOR=#FF0000>>> a.*b % 阵列a及b中的元素与元素相乘</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>1 6 15 28 45</FONT>
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<FONT COLOR=#FF0000>>> a./b % 阵列a及b中的元素与元素相除</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>1.0000 0.66667 0.6000 0.5714 0.5556</FONT>
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<FONT COLOR=#FF0000>>> a.^2 % 阵列中的各个元素作二次方</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>1 4 9 16 25</FONT>
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<FONT COLOR=#FF0000>>> 2.^a % 以2为底，以阵列中的各个元素为次方</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>2 4 8 16 32</FONT>
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<FONT COLOR=#FF0000>>> b.^a % 以阵列b中的各个元素为底，以阵列a中的各个元素为次方</FONT>
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<FONT COLOR=#FF0000>ans =</FONT>
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<FONT COLOR=#FF0000>1 9 125 2401 59049</FONT>
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<FONT COLOR=#FF0000>>> b=a' % 阵列b是阵列a的转置结果</FONT>
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<FONT COLOR=#FF0000>b =</FONT>
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<FONT COLOR=#FF0000>1</FONT>
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<FONT COLOR=#FF0000>2</FONT>
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<FONT COLOR=#FF0000>3</FONT>
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<FONT COLOR=#FF0000>4</FONT>
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<FONT COLOR=#FF0000>5<BR>
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