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Question: to plot procedure

Question:to plot procedure

taro 495 Maple
plot procedure
November 16 2014
0

Hello people in mapleprimes,

 

I want to draw a graph of a procedure.

 

filter:=x->if x<10 then 1-x/10 else 0 fi;

plot('filter(x)',x=0..20);

 

works well. But, I don't know why it is needed for filter(x) is wrapped with foward quotte ' .

I changed that quote to back quote ` but, in this case the result hadn't appeared.

And, without the foward quote ', error appears.

And, even if I wrapped x with ' as in plot('filter(x)','x' =0..20),

a graph appeared properly, though I cannot understand why wrapped x, 'x' is right.

 

Please teach me the logic of the above code.

Best wishes.

 

taro yamada

 
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