Dong Dong

Last seen: 4 years ago | Active since 2019

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clustering accuracy
Find the clustering accuracy of a prediction, given the true labels

4 years ago | 5 downloads |

Question

How to scale the columns of a large square matrix?
Let n be large, say 300,000. Let A be an n by n matrix, and v=[v1, v2, ... , vn] be a vector of dimension n. My goal is to scal...

4 years ago | 1 answer | 0

answer

Question

How to find array elements that meet a condition defined by an index vector?
Let A be an n by n matrix of 0's. Let L be an n by 1 matrix of integers, which will be used as an index vector. I want to modify...

4 years ago | 1 answer | 0

answer

Question

When is it necessary to define a function in "syms"?
What is the difference between the following two codes? They both work. When is it necessary to define a function in "syms"? sy...

5 years ago | 1 answer | 0

answer

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