Advanced Search

Question: ODESteps gives division by zero for basic first order quadrature ode

Question:ODESteps gives division by zero for basic first order quadrature ode

nm 9914 Maple 2024
ode differential-equations odesteps
May 31 2024
3

Any workaround or why ODESteps gives this internal Maple error?  Is this known limitation of ODESteps?

ps. reported also to Maplesoft just in case.

17128

> 

interface(version);

`Standard Worksheet Interface, Maple 2024.0, Windows 10, March 01 2024 Build ID 1794891`

> 

Physics:-Version();

`The "Physics Updates" version in the MapleCloud is 1750 and is the same as the version installed in this computer, created 2024, May 31, 10:47 hours Pacific Time.`

> 

restart;

20456

> 

ode:=diff(y(x), x) - 2*y(x) = 2*sqrt(y(x));
DEtools:-odeadvisor(ode);
 

diff(y(x), x)-2*y(x) = 2*y(x)^(1/2)

[_quadrature]

> 

ic:=y(0) = 1;
Student:-ODEs:-ODESteps([ode,ic]);

y(0) = 1

Error, (in ln) numeric exception: division by zero

> 

restart;

20456

> 

ode:=diff(y(x), x) - 2*y(x) = 2*sqrt(y(x));
ic:=y(0) = 1;
dsolve([ode,ic]);

diff(y(x), x)-2*y(x) = 2*y(x)^(1/2)

y(0) = 1

y(x) = 4*exp(2*x)-4*exp(x)+1

 

 

Download bug_in_odesteps_divide_by_zero_may_31_2024.mw
Please Wait...