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How to plug in and solve for algebraic equation?

4 vues (au cours des 30 derniers jours)
Meet Koradia
Meet Koradia le 13 Mai 2022
Réponse apportée : Sam Chak le 13 Mai 2022
For example this
  2 commentaires
KSSV
KSSV le 13 Mai 2022
You want to solve it for what?
Meet Koradia
Meet Koradia le 13 Mai 2022
t

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Réponses (2)

KSSV
KSSV le 13 Mai 2022
Ran in:
t = linspace(0,1) ;
z = 15*(1+(4.1*0.064)/1000*(15/150)^(2/3)*t.^(5/3)).^(-3/2) ;
plot(t,z)
  1 commentaire
KSSV
KSSV le 13 Mai 2022
Ran in:
syms z t
eqn = z == 15*(1+(4.1*0.064)/1000*(15/150)^(2/3)*t.^(5/3)).^(-3/2) ;
s = solve(eqn,t)
Warning: Solutions are only valid under certain conditions. To include parameters and conditions in the solution, specify the 'ReturnConditions' value as 'true'.
s = 

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Sam Chak
Sam Chak le 13 Mai 2022
Hi @Meet Koradia
The idea is to reverse the equality in z, and then isolate t to the left-hand side. You can solve this algebra problem by hand and obtain:

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