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Ode symbolic solution with IC - How to solve? - Messages
#1 Posted: 7/1/2023 5:56:48 AM
#2 Posted: 7/1/2023 7:55:36 AM
WroteSee please one ODE symbolic solution without IC
We have it done for exporting formula c/w constants & IC
Jean
ODE_Laplace 2nd [Type 3].sm (34 KiB) downloaded 174 time(s).
1 users liked this post
Valery Ochkov 7/1/2023 9:20:00 AM
#3 Posted: 7/1/2023 9:20:10 AM
WroteWroteSee please one ODE symbolic solution without IC
We have it done for exporting formula c/w constants & IC
Jean
ODE_Laplace 2nd [Type 3].sm (34 KiB) downloaded 174 time(s).
Thanks!
But no way to do so in SMath

#4 Posted: 7/1/2023 10:51:35 AM
WroteWroteThanks!
But no way to do so in SMath
"L & m" are missing in dsolve result ?
m is missing in dsolve.
#6 Posted: 7/2/2023 4:06:01 AM
WroteWroteSee please one ODE symbolic solution without IC
Hi Valery. Use Ctrl+Shift+K for write D(x)(0), which means x'(0)
Best regards.
Alvaro.
Thanks!
dsolve-ICs.sm (10 KiB) downloaded 184 time(s).

#7 Posted: 7/3/2023 3:43:12 AM
The distance between the cities added.
GravityTrain.sm (31 KiB) downloaded 193 time(s).
GravityTrain.pdf (233 KiB) downloaded 210 time(s).
Best regards.
Alvaro.
GravityTrain.sm (31 KiB) downloaded 193 time(s).
GravityTrain.pdf (233 KiB) downloaded 210 time(s).
Best regards.
Alvaro.
1 users liked this post
Valery Ochkov 7/3/2023 4:18:00 AM
#8 Posted: 7/3/2023 7:30:35 AM
Earth distance companion added.
Sanity check Air Industry.
Jean
Angle Vincenty Earth Distance [Mike].sm (49 KiB) downloaded 163 time(s).
Sanity check Air Industry.
Jean
Angle Vincenty Earth Distance [Mike].sm (49 KiB) downloaded 163 time(s).
#9 Posted: 7/4/2023 2:14:47 AM
#10 Posted: 7/4/2023 9:30:11 AM
#11 Posted: 7/4/2023 6:53:08 PM
WroteA pendulum ...
The exact solution needs some handwrite work.
Edited: a hard handwrite work. Previous version was wrong.
Correct solution -> pendulum v2.sm (13 KiB) downloaded 188 time(s).
Wrong solution -> pendulum.sm (13 KiB) downloaded 199 time(s).
Best regards.
Alvaro.
1 users liked this post
Valery Ochkov 7/5/2023 6:23:00 AM
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