Use of math symbols

[Wayne Root]

I've been asked what the double << mean in this paragraph. Actually,
they are used more than once in the document (patent). I thought at
first it was a typo, but I'm not sure of that because I'm told it
appears more than once. Does anyone have an idea?

なお、検査行列１９００は、Ｍ１＝３，Ｍ２＝５の例
を示しているが、Ｍ１及びＭ２の値はこれに限るもの
ではなく、Ｍ１＜Ｍ２の関係を満たしていればよい。
特に、Ｍ１＜＜Ｍ２である場合は、ｔａｉｌ－ｂｉｔ
ｉｎｇの状態数を少なくし、かつ、ターミネーション
に関わる部分以外のビットにおけるＬＤＰＣ－ＣＣの
拘束長を長くすることができるので、好ましい。ま
た、メモリ長の数を３つ以上とし、送信情報系列ｕｔ
のインデックスが１に近い部分及びｎに近い部分ほ
ど、メモリ長が段階的に小さくなるようにしても良
い。

Wayne Root
roo...@astound.net

[TimL...@aol.com]

Wayne,

 

I think that X << Y means X is much less than Y. Whatever that means.

 

FWIW

Tim

[Wayne Root]

Tim, 

Thanks. That's the way my friend was interpreting it, but he wasn't sure that would be correct.  I'll pass the word along. 

WRR

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Wayne Root

roo...@astound.net

[brutus...@gmail.com]

I agree with Mr. Lee, especially within the context. They first point
out a case in which its a 3:5 ratio, then go on

"...the values of M1 and M2 are not limited hereby, and may satisfy
the relationship M1 < M2. Particularly, when M1 (is much less than)
M2, ..."

So it becomes hard to interpret it another way. You're safe!

HTH

Vincent Laufer

> root...@astound.net

[Wayne Root]

Thanks to Tim and Vincent for their help on this.