示例：布尔运算符

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示例：布尔运算符

计算布尔表达式

通过插入一个其后紧跟求值运算符的布尔表达式计算布尔表达式。

布尔等于运算符与求值运算符不同。计算布尔表达式时，1 表示 "true" (真)，0 表示 "false" (假)。

逻辑运算符

定义两个矢量。

使用矢量化运算符逐项计算下列布尔表达式：

NOT - 求反	<region id="ID0E16DR" top="504" left="120" width="70.0416666666667" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <vectorize /> <parens> <apply> <not /> <id>P</id> </apply> </parens> </apply> <result> <matrix rows="4" cols="1"> <real>0</real> <real>0</real> <real>1</real> <real>1</real> </matrix> </result> </eval> <resultFormat> <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>
AND - 合取	<region id="ID0EZAER" top="576" left="120" width="80.4583333333333" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <vectorize /> <parens> <apply> <and /> <id>P</id> <id>Q</id> </apply> </parens> </apply> <result> <matrix rows="4" cols="1"> <real>1</real> <real>0</real> <real>0</real> <real>0</real> </matrix> </result> </eval> <resultFormat> <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>
OR - 析取	<region id="ID0EYBER" top="648" left="120" width="80.4583333333333" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <vectorize /> <parens> <apply> <or /> <id>P</id> <id>Q</id> </apply> </parens> </apply> <result> <matrix rows="4" cols="1"> <real>1</real> <real>1</real> <real>1</real> <real>0</real> </matrix> </result> </eval> <resultFormat> <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>
XOR - 异或	<region id="ID0EVCER" top="720" left="120" width="82.6583333333333" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <vectorize /> <parens> <apply> <xor /> <id>P</id> <id>Q</id> </apply> </parens> </apply> <result> <matrix rows="4" cols="1"> <real>0</real> <real>1</real> <real>1</real> <real>0</real> </matrix> </result> </eval> <resultFormat> <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>

逻辑相等

可以显示 P ⋁ (Q ⋀ R) 和 (P ⋁ Q) ⋀ (P ⋁ R) 逻辑相等。

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逻辑运算符

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