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Can anyone please give a succinct and clear description on this? I'm a little confused...

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- Thread starter science~life
- Start date

- #1

- 2

- 0

Can anyone please give a succinct and clear description on this? I'm a little confused...

- #2

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Can you specify why that link is not helpful, and what you don't understand?

- #3

Student100

Education Advisor

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Set notation. This will help you read the wiki article.

Need to know where you at with it to be able to help.

Do you understand (a, b] means a isn't included in the interval but b is?

- #4

HallsofIvy

Science Advisor

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[a, b) means "all numbers strictly between a and b

(a, b) means "all numbers strictly between a and b

[a, b] means "all numbers strictlhy between a and b

In short, all of these contain the

- #5

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[a, b) means "all numbers strictly between a and bandthe number a. It can also be written as [itex]\{x| a\le x< b\}[/itex].

(a, b) means "all numbers strictly between a and bandthe number b. It can also be written as [itex]\{ x| a< x\le b\}[/itex].

[a, b] means "all numbers strictlhy between a and bandboth the number a and the number b. It can also be written as [itex]\{x| a\le x\le b\}[/itex].

In short, all of these contain theintervalbetween a and b. "[" and "]" mean "include this end point". "(" and ")" mean "do not include this point".

Third, HOI certainly means (a,b], just in case this is not caught.

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