用于矩阵-矩阵乘法的函数 numpy.dot()、@ 和方法 .dot() 有什么区别? [英]What is difference between the function numpy.dot(), @, and method .dot() for matrix-matrix multiplication?
使用numpy数组时,运算符“ numpy.dot()”,“ *”和“ @”之间有什么区别? [英]What is the difference between operators “numpy.dot()”, “ * ” and “@” when working on numpy arrays?
计算协方差矩阵 - numpy.cov和numpy.dot之间的区别? [英]Calculating covariance matrix — difference between numpy.cov and numpy.dot?
为什么 B = numpy.dot(A,x) 通过执行 B[i,:,:] = numpy.dot(A[i,:,:],x) ) 循环慢得多? [英]Why is B = numpy.dot(A,x) so much slower looping through doing B[i,:,:] = numpy.dot(A[i,:,:],x) )?