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playground:playground [2017/12/28 22:17]
peterp
playground:playground [2017/12/28 22:29] (current)
peterp
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 +====== PlayGround ======
 +
 +How do we add pages?
 +> just creating them! You can see more on the dokuwiki syntax.
 +
 +<csv 41cl:​cl_library_info_3.csv></​csv>​
 +<a href="​http://​www.yahoo.com">​here</​a>​
 +
 +a<​sub>​1,​1</​sub>,​ ..., a<​sub>​1,​n</​sub>,​ ... , a<​sub>​n,​1</​sub>,​ ..., a<​sub>​n,​n</​sub>​
 +> use the mathjax plugin! $ a_{1,1}, \cdots , a_{n,1} $ the "​codecogs equation editor online"​ helps!
 +
 +^ ^ ^ ^
 +|a<​sub>​1,​1</​sub>​ | ... | a<​sub>​1,​n</​sub>​|
 +|...             | ... | ....|
 +|a<​sub>​n,​1</​sub>​ | ... | a<​sub>​n,​n</​sub>​|
 +
 +> nice one!
 +
 +simplify(π/​6 + ASIN(1/2) ) returns π/3
 +
 +Simplifying an Algebraic Expression:
 +simplify(x/​3 - 3*x/4 + x/2) returns x/12
 +
 +> simplify($ \frac{x}{3} - 3 \cdot \frac{x}{4} + \frac{x}{2} $) returns $ \frac{x}{12} $
 +
 +Simplify won't give approximates:​
 +simplify(Zeta(3)) returns Zeta(3)
 +
 +<​html>​ <font color="​blue">​
 +Type in another color. <div style="​width:​500px;​height:​100px;​border:​1px solid #​000;">​This is a rectangle!</​div>​
 +
 +<div style="​width:​1000px;​height:​5px;​border:​1px solid"> ​ </​div>​
 +</​font>​ </​html>​
 +
 +<​html>​ <div style="​width:​1000px;​height:​5px;​border:​1px solid;​background-color:​blue"> ​
 +</​html>​
 +
 +Can we see a line?