Differences

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--- dsp:z_xfer [2013/05/09 12:05] – randy
+++ dsp:z_xfer [2022/09/01 13:44] (current) – external edit 127.0.0.1
@@ Line 45: / Line 45: @@
 Stap: ?
 $$
-\begin{equation}
 \frac   {  (z-1) (z^{2} - 2 \cdot 1 \cdot z \cdot \cos{\frac{\pi}{3}} + 1^{2})  }
 {z \cdot (z^{2} - (2 \cdot 0.9 \cdot z \cdot \cos{\frac{2 \pi}{3}}) + 0.9^{2} )}
@@ Line 90: / Line 90: @@
 $$
-y(z)(1+0.9 \cdot z^{-1} + 0.81 z^{-2}  =  x(z)(1-2z^{-1} + 2z^{-2} - z^{-3}
+y(z)(1+0.9 \cdot z^{-1} + 0.81 z^{-2} )  =  x(z)(1-2z^{-1} + 2z^{-2} - z^{-3} )
 $$