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AHSAN

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These are questions asked by AHSAN

Facing an issue in solution...

AHSAN 155 Maple 2019
ode dsolve differential-equations
January 22 2021
0 4

Can anyone correct me, what's wrong with it.

 

Help_solution.mw

 

 

dsolve command is not working...

AHSAN 155 Maple
ode syntax dsolve
January 21 2021
2 0

hi, why my dsolve command is not working

dsolve.mw

Face issue in solution...

AHSAN 155 Maple
ode homework dsolve
January 19 2021
1 2

Hi

can anyone help me to solve second order ode, I am unable to find the value of the involved constant of integration

 

ode_solution_help.mw

 

 

 

 

Need Help on Integration...

AHSAN 155 Maple 2019
integration
December 30 2020
2 8

Hi to all community. I am trying to integrate a lengthy-expression but could not get the result after waiting of 1 and 2 hours even. is there any way to control such integration


 

Integration_Help.mw

 

 

different value are obtaining...

AHSAN 155 Maple 2019
solve rootfinding fsolve
October 23 2020
1 1

Hi, i am using solve and solve command to find the root but when i used fsolve command to separate only real root, could separate all roots, can anyone correct me, please


 

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restart
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f := 9.765625000*10^(-6)*(-6671.221362*(x^2+2)^5*sqrt(2)*arctan((1/2)*x*sqrt(2))*x-555.9351135*(x^2+2)^6/((1/2)*x^2+1)-10479.13001*(x^2+2)^5*sqrt(2)*x-(374220*(0.297116730e-1*x^9+.269385824*x^7+.99643086*x^5+5.18951288*x^3+4.42867382*x))*x-1111.870227*x^10-12601.19538*x^8-62147.39274*x^6-485504.8775*x^4-828649.1585*x^2-788850.2769)/(x^2+2)^6-(0.1171875000e-3*(-555.9351135*(x^2+2)^6*sqrt(2)*arctan((1/2)*x*sqrt(2))-873.2608343*(x^2+2)^6*sqrt(2)-(374220*(0.29711673e-2*x^10+0.33673228e-1*x^8+.16607181*x^6+1.29737822*x^4+2.21433691*x^2+2.107985348))*x))*x/(x^2+2)^7+(3.484800000*sqrt(2)*(x^2+2)*arctan((1/2)*x*sqrt(2))*x+.8712000000*(x^2+2)^2/((1/2)*x^2+1)+(5.473911040*(x^2+2))*sqrt(2)*x+5.227200000*x^2-22.99200001)/(16*(x^2+2)^2)-(.8712000000*sqrt(2)*(x^2+2)^2*arctan((1/2)*x*sqrt(2))+1.368477760*sqrt(2)*(x^2+2)^2-36*x*(-0.484000000e-1*x^2+.638666667))*x/(4*(x^2+2)^3)

0.9765625000e-5*(-6671.221362*(x^2+2)^5*2^(1/2)*arctan((1/2)*x*2^(1/2))*x-555.9351135*(x^2+2)^6/((1/2)*x^2+1)-10479.13001*(x^2+2)^5*2^(1/2)*x-374220*(0.297116730e-1*x^9+.269385824*x^7+.99643086*x^5+5.18951288*x^3+4.42867382*x)*x-1111.870227*x^10-12601.19538*x^8-62147.39274*x^6-485504.8775*x^4-828649.1585*x^2-788850.2769)/(x^2+2)^6-0.1171875000e-3*(-555.9351135*(x^2+2)^6*2^(1/2)*arctan((1/2)*x*2^(1/2))-873.2608343*(x^2+2)^6*2^(1/2)-374220*(0.29711673e-2*x^10+0.33673228e-1*x^8+.16607181*x^6+1.29737822*x^4+2.21433691*x^2+2.107985348)*x)*x/(x^2+2)^7+(1/16)*(3.484800000*2^(1/2)*(x^2+2)*arctan((1/2)*x*2^(1/2))*x+.8712000000*(x^2+2)^2/((1/2)*x^2+1)+5.473911040*(x^2+2)*2^(1/2)*x+5.227200000*x^2-22.99200001)/(x^2+2)^2-(1/4)*(.8712000000*2^(1/2)*(x^2+2)^2*arctan((1/2)*x*2^(1/2))+1.368477760*2^(1/2)*(x^2+2)^2-36*x*(-0.484000000e-1*x^2+.638666667))*x/(x^2+2)^3

 (1)
> 

ip := solve(f = 0, x)

.6540411301, 3126.002498+5414.398621*I, .4137989369+1.038962897*I, .6364817315+1.870977651*I, -.6364817315+1.870977651*I, -.4137989369+1.038962897*I, -.6540411301, -6252.010299, -.4137989369-1.038962897*I, -.6364817315-1.870977651*I, .6364817315-1.870977651*I, .4137989369-1.038962897*I, 3126.002498-5414.398621*I

 (2)
> 

cp := fsolve(numer(f) = 0, x)

.6540411302

 (3)
> 

``


 

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