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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 175 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 175 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 186 time(s).

#7 Posted: 7/3/2023 3:43:12 AM
The distance between the cities added.
GravityTrain.sm (31 KiB) downloaded 195 time(s).
GravityTrain.pdf (233 KiB) downloaded 211 time(s).
Best regards.
Alvaro.
GravityTrain.sm (31 KiB) downloaded 195 time(s).
GravityTrain.pdf (233 KiB) downloaded 211 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 164 time(s).
Sanity check Air Industry.
Jean
Angle Vincenty Earth Distance [Mike].sm (49 KiB) downloaded 164 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 189 time(s).
Wrong solution -> pendulum.sm (13 KiB) downloaded 200 time(s).
Best regards.
Alvaro.
1 users liked this post
Valery Ochkov 7/5/2023 6:23:00 AM
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