Reproducing kernel Hilbert space method is utilized in this paper as an efficient approach to solve singular fourth order ...
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I stopped overusing IF in Excel—and my formulas instantly became cleaner and faster
Modern Excel functions like IFS, SWITCH, XLOOKUP, SUMIFS, and LET replace most nested IF use cases.
A lightweight package that adds progress bar to vectorized R functions (*apply). The implementation can easily be added to functions where showing the progress is useful (e.g. bootstrap). The type and ...
Some algorithms are more efficient than others. We would prefer to chose an efficient algorithm, so it would be nice to have metrics for comparing algorithm efficiency. The complexity of an algorithm ...
Thiarubrine A, a fascinating class of linear carbon chains, can be extracted from certain plants and are known for their photolabile pigment properties. In this study, a modified Hückel method to ...
ROI is an important measure of an investment's performance but it has some drawbacks. Andrew Beattie was part of the original editorial team at Investopedia and has spent twenty years writing on a ...
This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...
A photon structure is advanced based on the experimental evidence and the vector potential quantization at a single photon level. It is shown that the photon is neither a point particle nor an ...
Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Khadija Khartit is a strategy, investment, and funding expert, and ...
Joyal’s proof was published here: André Joyal, Une théorie combinatoire des séries formelles. Advances in Mathematics 42 (1981), 1–82. (I try not to link to Elsevier, as I’m permanently furious with ...
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