Differential Equations


Laplace Transforms
Short list of LT pairs
f(t)(t>0-)       Type          F(s)
--------------------------------------
delta(t)        impulse        1
u(t)            step           1 / s
t               ramp           1 / s^2
e^-at           exponential    1 / (s + a)
sin(wt)         sine           w / (s^2 + w^2)
cos(wt)         cosine         s / (s^2 + w^2)
t*e^-at         damped ramp    1 / (s + a)^2
sin(wt)*e^-at   damped sine    w / ((s + a)^2 + w^2)
cos(wt)*e^-at   damped cosine  (s + a) / ((s + a)^2 + w^2)

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This page was last updated created October 17, 1996.