Permutation and bit strings

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Permutation and bit strings

Why do I need Automatic Account Determination? Every time a transaction with financial implications is run, postings must be made to financial accounts.

But it has to happen, so since this is an integration point between us and FI, unless you can make the FI consultant do it, we have to fight through it. So, with five variables, the determination system must be pretty complex?

When you come to understand the way SAP have done it, it is an elegant solution, but it is pretty damn complex. Before you begin, sit down with the FI consultant, find out what accounts there are and in a business sense, how and when each of the accounts should be posted to.

Discuss all five of the categories above. With this info set in concrete in front of you, you can begin the SAP config. Essentially all that is happening is that SAP are allowing us to maintain a record of "if x and y happen, then use account z" and "if a and b occur then use account q".

I can just imagine the conversation many years ago in Germany translated for your convenience: The valuation grouping code vgc is a collection of valuation areas that will have the same account determination.

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Block cipher - Wikipedia It is also famously known that given a string of length n, there are n! Also please bear in mind that permutation is different from a combination i.
java - Generating all permutations of a given string - Stack Overflow This is called the "cyclic" property of a Gray code. In the standard Gray coding the least significant bit follows a repetitive pattern of 2 on, 2 off … … ; the next digit a pattern of 4 on, 4 off; and so forth.

Since a valuation area can be a company code or plant, we can say that a vgc represents a group of plants or company codes that have the same account determination. They should be somewhere in the list automatically, all you should need to do is give them a code.

The next step is to manage different account determination per material type. This is where it can get complicated if you let it. The valuation class is linked to an account category reference.

The account category reference acr is an artificial code which allows flexibility in linking material types with valuation classes. We could relate the GL account directly to the material type. This would be easy to setup for a few material types, but would take a huge amount of time for many material types, and would be hard to understand if changes needed to be made.

Permutation and bit strings

We could use the valuation class, assign the GL account to it, and then assign valuation classes to material types. This is better, since we could for instance have a "Raw Materials" vc and a "Finished Materials" vc and then simply link all the various material types under each category to the valuation class.

This would make updates and initial loads easier, but there is still one thing missing, a material type can only be part of one valuation class and can only post to one account.

However, in the real world, a material type may post to different accounts depending on things other than just the material type, such as plant, movement type or indeed any of the factors above.

So, we have an account category reference which is linked to a material type. This acr is then linked with a valuation class and the GL account is linked to the valuation class.

So a material type can be linked to one or more valuation classes and hence GL Accounts and in turn, a valuation class can be linked to multiple material types enabling ease of understanding and updates.

Now that you hopefully understand that, the actual updates are pretty simple. This is another area where you have to try and see through the impenetrable fog of terminology.

Each time "something" occurs in the system it produces a "key" for each of the postings that need to be made i. This "key" is entered in our account determination procedure so that postings for credit and debit go to different accounts. The account grouping code aka account modification code, modifier or in SAP general modifier is a three character code which rather oddly has no link with the posting strings "key" which we use to break account determination down by movement type.

So the account determination is not different based on movement type.

Bit strings - Loop over bit permutation one flip at a time - Mathematics Stack Exchange

However, I can enter a code e. You should now find that your account determination is working. I will be updating this article periodically, and would appreciate your constructive criticism by commenting below.Write a program to print all permutations of a given string A permutation, also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself.

Secret Key Cryptography. Secret key cryptography methods employ a single key for both encryption and decryption. As shown in Figure 1A, the sender uses the key to encrypt the plaintext and sends the ciphertext to the receiver.

Essential Basic Functionality¶. Here we discuss a lot of the essential functionality common to the pandas data structures. Here’s how to create some of the objects used in the examples from the previous section. 1- Find the value of the permutation: P(9,4) 3-How many bit strings of length 12 have:(a) Exactly three 0s?

(b) The same number of 0s as 1s? (d) At least three 1s? 4-How many ways are there to select 9 countries in the United Nations to serve on a council if 2 is selected from a block of 53, 2 are selected from a block of 65 and 5 are selected from the remaining 71 countries?

A bitstring is defined by a sequence of ones and zeros, e.g. "". Equivalently, it is defined by an integer as its binary representation. I want to calculate a certain function of a bitst.

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