09ae6beb-6b01-4073-bdd7-4623eb41ce3e 21 4 5 decimal

&[DATE] &[TIME] - &[FILENAME]

x y XY x y / - :

3 appVersion 0.98.6179 ≡

a 816 π * sqrt * : 351.67021

x y Φ 1 - 3 / x 2^y 2^+ sqrt * exp 2 y 2^* - x 2^+ a / * - 0.005 + :

OK recursive solve Δ xlimits : 1.7857 14.245529 at

NFG recursive solve Δ xlimits : 1.78568578 14.245529381 at

x userSolve user y x y Φ vectorize y solve at : x user augment 21 line :

u 14.245529 :

u userSolve 14.2455 1.714 105 -^* 12 mat

solver reaches  ∞ u 14.245529381 ≡

XY Φ 2 1 sys

As it looks . . .

1. userSolve(x) allows more accurate limits.

2.... but fails pairwise on too accurate limits

3. The recursive sols needs low accuracy limits.

4. Accurate limits may just be fake ?

5. one [1] of the pairwise roots is freaked,

thus the forced datum result from the recursive.

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t0 1 time :

==================================================

Δ xlimits : 1.7857 14.245529 at 12.4598

Incremental discretizer ...
Mesh N  within the bounds L, H L H N xd X 0 : i 1 N range X i el L H L - N / i * + : for X 31 line :

L 1.7857 : H 14.245529 : N 400 : 13 mat U L H N xd : 21 line

sols i 1 U rows range data 1 i el U i el y Φ y solve : for v data 1 el : j 2 data cols range v v data j el augment : for v 41 line :

isolate the project new sols :

impose the end-points datum new 11 el new 21 el 21 mat 0021 mat : new 1 N el new 2 N el 21 mat 0021 mat : 12 mat

U new 2 row transpose augment U new 1 row transpose augment 1.7857 0 + 100 black 1 5 mat 14.2455275 0 + 100 black 1 5 mat 4 1 sys

Local pairwise solutions

L < u < H ... escape end-points u 10 :

x pairwise user x y Φ y solve : x user 12 mat 21 line :

pair wise u pairwise 10 4.174903 - 4.174903 21 mat 12 mat

1 time t0 - min 3.2