From: Konrad H. <hi...@cn...> - 2004-01-25 19:20:01
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On 25.01.2004, at 19:33, Nancy Keuss wrote: > I will be working a lot with matrices, and I am wondering a few things > before I get started with NumPy: > > 1) Is there a function that performs matrix multiplication? Yes, Numeric.dot(matrix1, matrix2) > 2) Is there a function that takes a tensor product, or Kronecker > product, of > two matrices? Yes, Numeric.multiply.outer(matrix1, matrix2) > 3) Is it possible to concatenate two matrices together? Yes: Numeric.concatenate((matrix1, matrix2)) > 4) Is there a way to insert a matrix into a subsection of an already > existing matrix. For instance, to insert a 2x2 matrix into the upper > left > hand corner of a 4x4 matrix? Yes: matrix4x4[:2, :2] = matrix2x2 Konrad. |