Abstract: In controller design for quadrotors, the drag coefficients, thrust coefficients, and aerodynamic damping coefficients are usually unmeasurable, and they have to be regarded as uncertain ...

A function is a relation such that for each \(x\)-value there is only one corresponding \(y\)-value. In other words, a function cannot contain two different ordered pairs with the same first ...

Abstract: This article proposes a fundamental frequency estimation technique for three-phase voltage systems under unbalanced and harmonic conditions. It is based on the Clarke transformation, ...

A revolutionary treatment for autoimmune diseases could be on the horizon. Twenty-four million to 50 million Americans have an autoimmune disease, in which the body’s immune system mistakenly attacks ...

Inverse index ETFs like ProShares Short S&P 500 and ProShares Short Nasdaq-100 can effectively hedge portfolios during market downturns, enhancing long-term returns. Manual technical analysis and ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

CBSE 2024-25 Competency-Based Questions With Answers: The Central Board of Secondary Education (CBSE) has increased the weightage of competency-based questions to 50%. Thus, students must prepare to ...

In the 1930s, a mathematician by the name of Nicolas Bourbaki was said to frequent the Café Capoulade in Paris, a haven for artists and intellectuals near Luxembourg Gardens. There he wrote an ...

Putin derides European leaders as he insists Russia's war goals in Ukraine will be met by force or diplomacy House Democrat hits Trump with nothing but receipts over his 'phenomenal' health care fail ...