Researchers at the Pusan National University in South Korea have developed a hybrid rooftop photovoltaic-thermal system that can also be installed as a retrofit solution where a PV system is already ...

Abstract: A trie is an ordered tree structure with a character on each edge. The trie provides efficient storing and retrieval of a keyword set in processing strings. The double-array has been ...

Abstract: Sparse arrays can resolve more source direction-of-arrivals (DOAs) than sensors in array processing. This property is achieved with DOA estimators based on the difference coarray. However, ...

The array X = np.array([np.nan,np.nan,"foo",np.nan,np.nan]) converts the np.nan to 'nan' i.e a string instead of keeping it as np.nan. This can really easy introduce bugs, since stuff like pd.issnull( ...

Java programs without a graphical user interface use a computer's command line to interact with the user. It is vital that the program's command line output is properly formatted and spaced so that it ...

What makes these alternative energy sources function? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Each photovoltaic cell is basically a ...

SKBitmap.Bytes is read only, any suggestion on how to Marshal.Copy a byte array to the SKBitmap? I am using using below code snippet but it not working. Code snippet: SKBitmap bitmap = new ...