:param pt: Element position specified as ``Point(j,i)`` .
:param idx: Array of ``Mat::dims`` indices.
:param idx: Array of ``Mat::dims`` indices.
The template methods return a reference to the specified array element. For the sake of higher performance, the index range checks are only performed in the Debug configuration.
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@@ -1631,7 +1631,7 @@ The example below initializes a Hilbert matrix: ::