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13 December, 21:13

Write x'" = x + t as a first order system

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  1. 14 December, 00:58
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    y = x'

    z = y'

    z' = x + t

    Step-by-step explanation:

    Hi!

    You need to define two new variables y and z:

    y = x'

    z = y'

    Then:

    z = y' = x''

    z' = x''' = x + t

    Now you have a system of 3 equations with only first derivatives
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