如何为相关财产（A * B）* C制作计算器？ [英] HOW TO MAKE CALCULATOR FOR ASSOCIATIVE PROPERTY (A*B)*C?

问题描述

大家好。

如何制作这个作业请

我想建立一个计算器来证明给定的以下属性：

1：关联

2：交换



敌人的例子：我想给节目2A + B-2，当我点击（ isASSOIATIVE）按钮，

它会给我这个：



（A * B）= 2A + B-2

（A * B）* C =（2A + B-2）+ C-2

= 2A + B + C-4

A *（B * C）= 2A +（2B + C-2）-2

= 2A + 2B + C-4



- > A *（B * C）不等于A *（B * C）

不关联。

解决方案

我们不做你的作业：这是有原因的。它就是为了让你思考你被告知的事情，并试着理解它。它也在那里，以便您的导师可以识别您身体虚弱的区域，并将更多的注意力集中在补救措施上。



亲自尝试，你可能会发现它不是和你想的一样困难！



如果遇到具体问题，请询问相关问题，我们会尽力提供帮助。但是我们不打算为你做这一切！

只有当这些对象不是数字时才有意义（对于数字，这些代数属性在算术理论中得到证明： - ））。以下是您的需求：

1. 定义代数的对象类型;
2. 定义代数运算'*'，'+'和' - ' ;最好使用运算符重载;
3. 开发等价（等式函数）;定义'='和'<>'比较运算符是件好事;
4. 在测试中使用以上所有内容。

这是你需要使用的：

http://msdn.microsoft.com/en-us/library/bsc2ak47(v = vs.110）.aspx [ ^ ]，

http://msdn.microsoft.com/en-us/library/system .object.gethashcode（v = vs.110）.aspx [ ^ ]（如果你重写Equals则需要），

http://msdn.microsoft.com/en-us/library/system.object.referenceequals（v = VS 0.110）的.aspx [<一个href =http://msdn.microsoft.com/en-us/library/system.object.referenceequals(v=vs.110).aspx\"target =_ blanktitle =New Window> ^ ]（需要实现Equals，以避免在比较引用时出现无限递归），

http://msdn.microsoft.com/en-us/library/scs11cxx.aspx [ ^ ]。

-SA

Hello everyone.
How to make this homework please
I want to build a calculator to prove the following properties for a given :
1: Associative
2: Commutative

Foe example: I want to give the program 2A+B-2 and when I click (isASSOIATIVE) button,
it will give me this:

(A*B)=2A+B-2
(A*B)*C=(2A+B-2)+C-2
=2A+B+C-4
A*(B*C)=2A+(2B+C-2)-2
=2A+2B+C-4

->A*(B*C) doesn't equal A*(B*C)
Not associative.

解决方案

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.

Try it yourself, you may find it is not as difficult as you think!

If you meet a specific problem, then please ask about that and we will do our best to help. But we aren't going to do it all for you!

It makes sense only if these objects are not numbers (for numbers, these algebraic properties are proven in the theory of arithmetic :-)). Here is what you need:

1. Define the object type of you algebra;
2. Define the algebraic operations '*', '+' and '-'; it's the best to use operator overloading;
3. Develop the equivalence (equality functions); it's good to define '=' and '<>' comparison operators;
4. Use all of the above in your tests.

This is what you need to use:
http://msdn.microsoft.com/en-us/library/bsc2ak47(v=vs.110).aspx[^],
http://msdn.microsoft.com/en-us/library/system.object.gethashcode(v=vs.110).aspx[^] (required if you override Equals),
http://msdn.microsoft.com/en-us/library/system.object.referenceequals(v=vs.110).aspx[^] (needed for implementation of Equals, to avoid "infinite" recursion when comparing references),
http://msdn.microsoft.com/en-us/library/scs11cxx.aspx[^].

—SA

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