\right).} 這是雅可比二平方和定理(英语:Sumof two squares theorem)的結果,該定理來自雅可比三重積(英语:Jacobi triple product)。 如果將平方和函數(英语:Sumofsquaresfunction) r 2 ( n ) {\displaystyle
of // those numbers. This could be used in a statistics library. functionsumOfSquares(numbers) { return chain(numbers) .map(square) .reduce(add) .value();
data-optimized ordinary least squares solutions. We can then define the Lagrangian as a tradeoff between the in-sample accuracy of the data-optimized solutions