math
minimal checks to find repeats in a list
Given a sequence (d1, d2, ..., dn), I want to evaluate the product (1 - Dij) for all i != j where Dij = 1 if di = dj and 0 otherwise.[详细]
2023-04-07 13:33 分类：问答Converting pixels to minutes
I have an application where I convert pixels to minutes and hours. Basically using minutes as a unit of measure as such:[详细]
2023-04-07 12:09 分类：问答How to divide a string into multiple parts and reconstruct it backwards?
I have important data in a string and I want to randomly divide it into multiple parts(x) and then store it into multiple location(y).[详细]
2023-04-07 11:26 分类：问答Why is it that when I have X(long) / (Y*Y*Y)(long) I get Error: Divide by Zero?
In my example X is already long and Y is a long also. I am not casting at then. I really just want to divide by a number that is cubed. (using native libraries)[详细]
2023-04-07 07:15 分类：问答Can a square root of a non-integer become an integer due to floating point rounding errors?
In another unrelated Internet forum a question was asked on how to check if a square root of a given number is an integer. Now in and of itself that is a trivial homework question, but I started to wo[详细]
2023-04-07 06:17 分类：问答What kind of algorithms are used to break down data? [closed]
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]
2023-04-07 04:41 分类：问答Statistical method for grading a set of exponential data
I have a PHP application that allows the user to specify a list of countries and a list of products. It tells them which retailer is the closest match. It does this using a formula similar to this:[详细]
2023-04-07 04:08 分类：问答Any reason to favor MathML syntax over TeX in MathJax?
MathJax, opensource javascript library to render maths, support multiple syntaxes, including MathML and LaTeX. Are there any reason to favor the use of the MathML syntax for in-page equations vs开发者[详细]
2023-04-07 02:19 分类：问答Can someone explain this: 0.2 + 0.1 = 0.30000000000000004? [duplicate]
This question already has answers here: Closed 11 years ago. Duplicates: How is floating point stored? When does it matter?[详细]
2023-04-07 02:18 分类：问答Variable radius Gaussian blur, approximating the kernel
I\'m writing a Gaussian blur with variable radius (standard deviation), i.e. each pixel of the image is convolved using a different kernel. The standard techniques to compute Gaussian blur don\'t work[详细]
2023-04-07 00:44 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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