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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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at which index

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "at which index" is correct and usable in written English.
It can be used when referring to a specific position or location within a data structure, such as an array or list, in programming or mathematical contexts. Example: "Please specify the value you want to retrieve at which index in the array."

✓ Grammatically correct

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

Depending on which index you look at, that crash was either the worst in a generation or the worst since 1929.

News & Media

The New York Times

Nationally, house prices have fallen between 3% and 13% depending on which index you look at.

News & Media

The Economist

# Contextual measures were derived using postal code information, from which indices at the relevant level of aggregation could be geocoded; SEIFA, Socio-Economic Indexes for Areas; LGA, Local government area.

They are also slow at rapid automatized naming tasks, which index speed of access to familiar lexical items and their phonological representations (Denckla and Rudel, 1976; Wolf and Bowers, 1999).

Science

Brain

But reading Google's statement, it seems that by "indexing speed" they may mean the speed at which they index pages behind the scenes, putting them in the results.

News & Media

TechCrunch

For Site Index, age was held at 20 years as this is the age at which Site Index is determined.

The Dow Jones industrial average gained 396.97 points, or 4.93percentto to close at 8,443.39 — almost exactly the same level at which the index began trading last Wednesday, before the frightening sell-offs that left investors fearing another round of Wall Street panic.

News & Media

The New York Times

It is insensitive to the presence of absorption at the wavelength at which refractive index is being measured and to the chemical nature of the solute.

This would have been in keeping with the work of Khot and colleagues [13] who found a reduction in the age at which the index CHD event occurred with multiplicity of risk factors.

From a dynamical perspective, we represent the average removal rate of individual cases as a function of time since the outbreak began, marked by the time at which the index case became infectious.

Science

Plosone

Determination of the cut-off value at which Youden index is maximum.

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Expert writing Tips

Best practice

When writing code or technical documentation, use "at which index" to clearly specify the exact position of an element within an array or list to avoid ambiguity.

Common error

Avoid using "at which index" when referring to general locations or positions that are not numerically indexed. Prefer alternatives like "at what location" or "at what point" for non-indexed sequences.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

60%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "at which index" functions as a prepositional phrase introducing a relative clause. It modifies a noun by specifying the location within a sequence or array where a certain condition or action occurs. As Ludwig AI confirms, this phrase is grammatically sound and usable.

Expression frequency: Missing

Frequent in

Science

0%

News & Media

0%

Formal & Business

0%

Less common in

Science

0%

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "at which index" serves to specify a location within a numerically indexed sequence. Ludwig AI indicates that while grammatically correct, the phrase appears infrequently, particularly in formal and scientific contexts. When employing this phrase, clarity is paramount: ensure that the context necessitates the precision of a numerically indexed position and that alternatives like "at what position" or "at what location" are not more appropriate. Although the usage examples are scarce, understanding its grammatical function and typical contexts ensures effective and accurate communication.

FAQs

How can I use "at which index" in a sentence?

Use "at which index" to specify a particular location within a numerically indexed sequence, such as "The error occurred at which index in the array?"

What is a good alternative to "at which index"?

Depending on the context, alternatives like "at what position" or "at what location" can be used for similar meaning.

When is it appropriate to use "at which index"?

It is appropriate when you need to refer specifically to a numbered position in a sequence, such as in coding or data analysis contexts.

How does "at which index" differ from "at what point"?

"At which index" is used for numerically indexed locations, while "at what point" refers to a specific moment or stage without necessarily having a numbered position.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

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