vectorization

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How to vectorize R strsplit?

When creating functions that use strsplit, vector inputs do not behave as desired, and sapply needs to be used. This is due to the list output that strsplit produces. Is there a way to vectorize the p[详细]

2023-01-03 21:25 分类：问答
Parallelize or vectorize all-against-all operation on a large number of matrices?

I have approximately 5,000开发者_开发知识库 matrices with the same number of rows and varying numbers of columns (20 x ~200).Each of these matrices must be compared against every other in a dynamic pr[详细]

2022-12-31 22:25 分类：问答
vectorizing loops in Matlab - performance issues

This question is related to these two: Introduction to vectorizing in MATLAB - any good tutorials? filter that uses elements from two arrays at the same time[详细]

2022-12-31 14:11 分类：问答
Introduction to vectorizing in MATLAB - any good tutorials? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2022-12-31 13:35 分类：问答
vectorized array creation from a list of start/end indices

I have a two-column matrix M that contains the start/end indices of a 开发者_开发百科bunch of intervals:[详细]

2022-12-29 16:40 分类：问答
vectorizing a for loop in numpy/scipy?

I\'m trying to vectorize a for loop that I have inside of a class method. The for loop has the following form: it iterates through a bunch of points and depending on whether a certain variable (called[详细]

2022-12-27 16:08 分类：问答
Is there a better (i.e vectorised) way to put part of a column name into a row of a data frame in R

I have a data frame in R that has come about from running some stats on the result of a melt/cast operation.I want to add a row into this dataframe containing a Nominal value.That Nominal Value is pre[详细]

2022-12-26 00:52 分类：问答
Mean filter in MATLAB without loops or signal processing toolbox

I need to implement a mean filter on a data set, but I don\'t have access to the signal processing toolbox. Is there a way to do this without开发者_如何转开发 using a for loop? Here\'s the code I\'ve[详细]

2022-12-25 06:13 分类：问答
MATLAB: compute mean of each 1-minute interval of a time-series

I have a bunch of times-series each described by two components, a timestamp vector (开发者_JS百科in seconds), and a vector of values measured. The time vector is non-uniform (i.e. sampled at non-regu[详细]

2022-12-21 14:23 分类：问答
Is it possible to vectorize myNum += a[b[i]] * c[i]; on x86_64?

What intrinsics would I use to vectorize the following(if it\'s even possible to vectorize) on the x86_64?[详细]

2022-12-21 06:33 分类：问答