Fixed wrong time indexes

Author: spors

nonrecursive_filters/quantization_effects.ipynb

@@ -43,7 +43,7 @@
     "where $e[k] = h_Q[k] - h[k]$ denotes the [quantization error](../quantization/introduction.ipynb#Model-of-the-Quantization-Process). Introducing $h_Q[k]$ into above equation and rearranging results in\n",
     "\n",
     "\\begin{equation}\n",
-    "y_Q[k] = \\sum_{\\kappa = 0}^{N-1} h[k] \\; x[k - \\kappa] + \\sum_{\\kappa = 0}^{N-1} e[k] \\; x[k - \\kappa]\n",
+    "y_Q[k] = \\sum_{\\kappa = 0}^{N-1} h[\\kappa] \\; x[k - \\kappa] + \\sum_{\\kappa = 0}^{N-1} e[\\kappa] \\; x[k - \\kappa]\n",
     "\\end{equation}\n",
     "\n",
     "The input signal $x[k]$ is filtered by the quantization noise $e[k]$ and superimposed to the desired output of the filter. The overall transfer function $H_Q(e^{j \\Omega})$ of the filter with quantized filter coefficients is given as\n",