Hi there,
What is the proper distinction between the different brace/parenthesis notations:
when used in math (not programming)?Code:{} [] ()
Hi there,
What is the proper distinction between the different brace/parenthesis notations:
when used in math (not programming)?Code:{} [] ()
This depends on how they are used. here are some common ones
{} - used for set theory ex. { x | f(x) < 4 }
() - used for function notation as shown above f(x)
() - used for order of operations ex. (3 - x) * ( (x / 2) / y )
() [] - used for exclusive/inclusive intervals ex. [3, 6) Three to six including 3 but not 6
etc...
Good stuff. Thanks.
Originally Posted by Perspective
Are you talking about arrays?
"When I die I want to pass peacefully in my sleep like my grandfather did, not screaming and yelling like the passengers in his car."
No no, what he means is that if you have a graph of like a Domain or Range you writeAre you talking about arrays?
[-5, 3) that means all numbers work from -5 to 3 but 3 is not included so basically everything between -5 to 2.999999999999
Oh ok. That's really cool actually. No longer will I have to write everything then add another
x =/= #
"When I die I want to pass peacefully in my sleep like my grandfather did, not screaming and yelling like the passengers in his car."
[] also used for evaluating integrals with the limits writen in the upper and lower corner of the "]" - I've seen some text books do it.
some entropy with that sink? entropysink.com
there are two cardinal sins from which all others spring: Impatience and Laziness. - franz kafka
[] are occasionally used for () in order-of-ops for clarity reasons (I do this often). E.g. ([4x * (3 - 2x)] / 6). I've never seen {} used that way, though. Also, {} is sometimes used for series notation. E.g. {a^i} with a lower limit on the bottom corner of the '}' and an upper limit on the '}' (if applicable).
