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NumPy (pronounced / ˈ n ʌ m p aɪ / NUM-py) is a library for the Python programming language, adding support for large, multi-dimensional arrays and matrices, along with a large collection of high-level mathematical functions to operate on these arrays. [3]
It will still be months before the San Diego Zoo gets new pandas, the first such bears sent to the United States by China in decades. For now, the only U.S. zoo left with any is in Atlanta. The ...
In linear algebra, the transpose of a matrix is an operator which flips a matrix over its diagonal; that is, it switches the row and column indices of the matrix A by producing another matrix, often denoted by A T (among other notations). [1] The transpose of a matrix was introduced in 1858 by the British mathematician Arthur Cayley. [2]
The conjugate transpose of a matrix with real entries reduces to the transpose of , as the conjugate of a real number is the number itself. The conjugate transpose can be motivated by noting that complex numbers can be usefully represented by 2 × 2 {\displaystyle 2\times 2} real matrices, obeying matrix addition and multiplication:
After a quarter-century hosting giant pandas, Zoo Atlanta is saying goodbye to its beloved residents. The zoo announced its four giant pandas: Lun Lun, Yang Yang, Ya Lun and Xi Lun will head home ...
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The Federal Reserve Board in Washington and its 12 regional reserve banks across the US employed about 24,000 people last year. The vast majority — more than 86% — of staff work out of the ...
Giant panda, Mei Lan. Zoo Atlanta was one of the three institutions in the U.S. that housed giant pandas. The zoo's pandas resided in the Zoo's Arthur M. Blank Family Foundation Giant Panda Conservation Center. Lun Lun (female) and Yang Yang (male) arrived in Atlanta as juveniles in 1999 and resided at the zoo on loan from China until 2024. The ...