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[?] Get symbolic solution expressions of Delay Differential Equations?

Vamsi Meesala, Virginia Tech
Posted 8 years ago
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POSTED BY: Vamsi Meesala
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I do not know why there is an error but not using Subscript it works :

 DSolve[{q[t] + omc*q[t] - omc*q[t - 1] + 2*sig*q'[t] + q''[t] == 0, 
 q[t /; t < 0] == 0}, q[t], {t, 0, 2}]

enter image description here

Another Example:

  DSolve[{q[t] + omc*q[t] - omc*q[t - 1] + 2*sig*q'[t] + q''[t] == 0, 
  q[t /; t < 0] == 1}, q[t], {t, 0, 1}]

enter image description here

Regards Mariusz.

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POSTED BY: Mariusz Iwaniuk
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