\begin {eqnarray}
P(N(t)=n)=P(T_{n}\leq t)- P(T_{n+1}\leq t)=e^{-\lambda*t}*\frac {(\lamda*t)^{n}}{n!}
\end {eqnarray}

I want to write this in latex however and it gives me an error, can I help me?

closed as off-topic by egreg, Stefan Pinnow, Circumscribe, marmot, dexteritas Jan 12 at 12:19

  • This question does not fall within the scope of TeX, LaTeX or related typesetting systems as defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    Welcome to TeX SX! Please post a minimal compîlable code. – Bernard Jan 12 at 10:01
  • 4
    I'm voting to close this question as off-topic because the error is due to a typo, lamda instead of lambda – egreg Jan 12 at 10:37
  • Don't use eqnarray; in this case use equation. Fix the typo and you'll be OK. In future questions, please add information about the errors you get. – egreg Jan 12 at 10:38
  • As for why eqnarray is bad, see the links in this answer. – Circumscribe Jan 12 at 11:58

Error cleared (\lamda replaced with \lambda):



\begin {equation}
P(N(t)=n)=P(T_{n}\leq t)- P(T_{n+1}\leq t)=e^{-\lambda*t}*\frac {(\lambda*t)^{n}}{n!}
\end {equation}


enter image description here

  • 4
    eqnarray is not to be used. In this case equation is the best choice. – egreg Jan 12 at 10:36

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