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Question: how do i solved numerically?

Question:how do i solved numerically?

AHSAN 155 Maple
syntax rootfinding
May 22 2020
0

Hello everyone. does anyone please correct my worksheet? I
 

> 

restart
> 

E := 1/e^5
> 

S := 1/e^5
> 

f := proc (x) options operator, arrow; x^2-2 end proc

proc (x) options operator, arrow; x^2-2 end proc

 (1)
> 

a := 1

1

 (2)
> 

b := 2

2

 (3)
> 

"while b-a>=S or (abs(f(a))>=E and abs(abs(f(b))>=E) "

Error, unable to match delimiters

"while b-a>=S or (abs(f(a))>=E and abs(abs(f(b))>=E)"

  
> 

"do"

Error, unable to parse

"do"

  
> 

"if (f(x[a])-f(x[b])=0)"

Error, invalid 'if' statement

"if (f(x[a])-f(x[b])=0)"

  
> 

print(Method*fail)

Method*fail

 (4)
> 

break

Error, break or next not in loop

  
> 

"fi;"

Error, unable to parse

"fi;"

  
> 

c := b-f(b)*(b-a)/(f(b)-f(a))

4/3

 (5)
> 

"if f(c)<E then"

Error, unterminated 'if' statement

"if f(c)<E then"

  
> 

break

Error, break or next not in loop

  
> 

"elif f(a) f(c)<0 then"

Error, unable to parse

"elif f(a) f(c)<0 then"

  
> 

b := c

4/3

 (6)
> 

"else"

Error, unable to parse

"else"

  
> 

a := c

4/3

 (7)
> 

"end if;"

Error, unable to parse

"end if;"

  
> 

"end do;"

Error, unable to parse

"end do;"

  
> 

[a, b]

[4/3, 4/3]

 (8)
> 

abs(f(a))

2/9

 (9)
> 

abs(f(b))

2/9

 (10)
> 

``


 

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