# Questions tagged [searching]

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15 questions with no upvoted or accepted answers
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### Is it possible to search the web by image from Mathematica?

Is it possible to perform a web search based on an image input? There are several services that provide this: Google, Bing, TinEye, and maybe others. I am not sure which can be accessed ...
281 views

### Using Mathematica to find an alternative continued fraction for $\zeta(5)$

Given the Riemann zeta function $\zeta(n)$. I. $x=\zeta(3)$ Using Euler's continued fraction formula, we can form $\zeta(3)$'s cfrac as, Ax+B = \cfrac{1}{v_1 - \cfrac{1^6}{v_2 - \cfrac{2^6}{...
125 views

### Extracting names (surname & family name) from unstructured text files

This question is about finding names of people in a text without knowing these people. There are some rules we can use to detecting names in a text A name consist always of two or more words (...
96 views

I would like to obtain a "slick" implementation of A*-search algorithm on Graph objects, using the built-in BreadthFirstScan (if that is possible at all). I noticed that BreadthFirstScan is static in ...
142 views

### Approximate Nearest Neighbors in Mathematica?

Is there any support for Approximate Nearest Neighbors (ANN) in Mathematica or third-party packages? I'm looking for a good implementation of locality sensitive hashing for applications where ...
54 views

### How to find where in a large expression Power::infy is generated?

Consider the following expression: ...
103 views

### Front End - Bug in Edit->Find?

As a beginner I make notes in my notebooks on what I am learning as I go along, and I have also referenced the help files by pasting hyperlinks from them - this seems to break the Find function. Is ...
41 views

### Match an expression that has a descendant pattern

I have a complicated expression in which I have another expression p which, when itās present, I want to match the outer expression and all of its children. I was hoping for something like ...
54 views

### Is there a way to cancel a search in Mathematica?

Is there a way to cancel a word search in Mathematica initiated via the Find and Replace menu?
98 views

### dynamic binary search

Suppose I have a time series of values $v_1, \dotsc, v_n, \dots,$ (think of the data as being generated by repeated function calls, like a Python generator, or being captured in real time) and I want ...
106 views

### Retrieving a Portion of Webpage Code using URLFetch

The URLFetch command is very useful for pulling the entire html source of a given webpage, however, if one wanted to speed up the process, by only requesting a ...
59 views

### Alternative Methods of Using Cumulative Density Functions To Obtain Probabilities

I have a CDF that is generated from the subtraction of two arrays as part of a minimization procedure. A consequence is that events in the simulation can cause the subtracted total to be less than 0: ...
63 views

### Improved Documentation Search By Actual Content

Now by default Mathematica documentation searches keywords section in the Options version of the notebook and the actual text of the notebook. For example here is a snippet from ...