Advanced Search

AHSAN

140 Reputation

6 Badges

3 years, 260 days
Contact AHSAN

MaplePrimes Activity


These are questions asked by AHSAN

how do i solve differential equation in ...

AHSAN 140 Maple
homework differential-equations duplicate-question
July 08 2020
2 5

Hello everyone, can anyone help me to solve this problem? noted I want to solve a couple of odes and need to find involved integration constant i.e c1 to c4. 
 

> 

restart
> 

diff(q(y), y, y)-A*q(y) = B*(P*y+c1)

diff(diff(q(y), y), y)-A*q(y) = B*(P*y+c1)

 (1)
> 

NULL
> 

bc := q(-sigma) = 0, q(sigma) = 0

q(-sigma) = 0, q(sigma) = 0

 (2)
> 

(1+N)*(diff(u(y), y, y))+N*(diff(q(y), y)) = P

(1+N)*(diff(diff(u(y), y), y))+N*(diff(q(y), y)) = P

 (3)
> 

bc := u(-sigma) = 1, u(sigma) = -k

u(-sigma) = 1, u(sigma) = -k

 (4)
> 

``


 

Download help_couple_ode.mw

how do i solved numerically?...

AHSAN 140 Maple
syntax rootfinding
May 22 2020
2 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)
> 

``


 

Download Method.mw

am trying to solve but could not get the required answer

First 7 8 9 Page 9 of 9