diff options
Diffstat (limited to 'doc/neps')
| -rw-r--r-- | doc/neps/return-of-revenge-of-matmul-pep.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/neps/return-of-revenge-of-matmul-pep.rst b/doc/neps/return-of-revenge-of-matmul-pep.rst index b19f07d85..ae75d9d18 100644 --- a/doc/neps/return-of-revenge-of-matmul-pep.rst +++ b/doc/neps/return-of-revenge-of-matmul-pep.rst @@ -208,7 +208,7 @@ numeric operators also apply in an elementwise manner to arrays; the reverse convention would lead to more special cases.) So that's why matrix multiplication doesn't and can't just use ``*``. -Now, in the the rest of this section, we'll explain why it nonetheless +Now, in the rest of this section, we'll explain why it nonetheless meets the high bar for adding a new operator. @@ -451,7 +451,7 @@ appear in many important applications, and that numerical libraries like numpy are used by a substantial proportion of Python's user base. But numerical libraries aren't just about matrix formulas, and being important doesn't necessarily mean taking up a lot of code: if matrix -formulas only occured in one or two places in the average +formulas only occurred in one or two places in the average numerically-oriented project, then it still wouldn't be worth adding a new operator. So how common is matrix multiplication, really? @@ -1107,7 +1107,7 @@ by other means, and that causes painful reverberations through the larger ecosystem. Defining a new language (presumably with its own parser which would have to be kept in sync with Python's, etc.), just to support a single binary operator, is neither practical nor -desireable. In the numerical context, Python's competition is +desirable. In the numerical context, Python's competition is special-purpose numerical languages (Matlab, R, IDL, etc.). Compared to these, Python's killer feature is exactly that one can mix specialized numerical code with code for XML parsing, web page @@ -1195,7 +1195,7 @@ References test the null hypothesis that :math:`H\beta = r`; a large :math:`S` then indicates that this hypothesis is unlikely to be true. For example, in an analysis of human height, the vector :math:`\beta` - might contain one value which was the the average height of the + might contain one value which was the average height of the measured men, and another value which was the average height of the measured women, and then setting :math:`H = [1, -1], r = 0` would let us test whether men and women are the same height on |