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Consider the signal <math>x[n]=a^{n}u[n]</math> | Consider the signal <math>x[n]=a^{n}u[n]</math> | ||
| − | <math>X(z)= | + | <math>X(z)=\sum_{n=-\infty}^{\infty}a^{n}u[n]z^{-n}=</math> |
Revision as of 19:42, 3 December 2008
Consider the signal $ x[n]=a^{n}u[n] $
$ X(z)=\sum_{n=-\infty}^{\infty}a^{n}u[n]z^{-n}= $
