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Question: why PDEtools:-Solve crashes Maple server?

Question:why PDEtools:-Solve crashes Maple server?

nm 11483 Maple 2025
pdetools crash
2 hours ago
0

For some reason, solve() works Ok, but PDEtools:-Solve causes kernel crash.

 

Attached worksheet.

Anyone knows why and can someone try to reproduce this? I am using Linux CaucyOS (arch linux based) and Maple 2025.1

 

> 

interface(version);

`Standard Worksheet Interface, Maple 2025.1, Linux, June 12 2025 Build ID 1932578`

> 

Physics:-Version();

`The "Physics Updates" version in the MapleCloud is 1878 and is the same as the version installed in this computer, created 2025, September 28, 11:35 hours Pacific Time.`

> 

SupportTools:-Version();

`The Customer Support Updates version in the MapleCloud is 29 and is the same as the version installed in this computer, created June 23, 2025, 10:25 hours Eastern Time.`

> 

restart;
> 

eq:=[-3/2*_C6^2+4*(60588*_C6^3+6659802*_C6^2-7113718800*_C6+168667884119)/(40392*_C6-971364)-1/8*(-6*_C6+1)^2-4*(1406664*_C6^2-1186536946*_C6+27728821045)/(26928*_C6-647576)+5*_C6-125/6+9*(-1/24*(-6*_C6+16)^2-4*(1406664*_C6^2-1186536946*_C6+27728821045)/(26928*_C6-647576)+(60588*_C6^3+6659802*_C6^2-7113718800*_C6+168667884119)/(40392*_C6-971364))*(-49/2+_C6) = 4, -1/24*(-6*_C6+49)^2+191*(1406664*_C6^2-1186536946*_C6+27728821045)/(26928*_C6-647576)-(60588*_C6^3+6659802*_C6^2-7113718800*_C6+168667884119)/(40392*_C6-971364)+1/12*(-6*_C6+9801)^2 = 0];
Cs:={_C6};

[-(3/2)*_C6^2+4*(60588*_C6^3+6659802*_C6^2-7113718800*_C6+168667884119)/(40392*_C6-971364)-(1/8)*(-6*_C6+1)^2-4*(1406664*_C6^2-1186536946*_C6+27728821045)/(26928*_C6-647576)+5*_C6-125/6+9*(-(1/24)*(-6*_C6+16)^2-4*(1406664*_C6^2-1186536946*_C6+27728821045)/(26928*_C6-647576)+(60588*_C6^3+6659802*_C6^2-7113718800*_C6+168667884119)/(40392*_C6-971364))*(-49/2+_C6) = 4, -(1/24)*(-6*_C6+49)^2+191*(1406664*_C6^2-1186536946*_C6+27728821045)/(26928*_C6-647576)-(60588*_C6^3+6659802*_C6^2-7113718800*_C6+168667884119)/(40392*_C6-971364)+(1/12)*(-6*_C6+9801)^2 = 0]

{_C6}

> 

solve(eq,Cs);

{_C6 = _C6}

> 

PDEtools:-Solve(eq,Cs);


 

Download maple_crash_Solve_oct_3_2025.mw

Also reported to Maplesoft support.

 
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