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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
pattern at an
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "pattern at an" is not correct and does not form a usable expression in written English.
It appears to be an incomplete phrase and lacks context to convey a clear meaning. Example: "I noticed a pattern at an unexpected time during the analysis."
⚠ May contain grammatical issues
Science
Wiki
News & Media
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
7 human-written examples
Fig. 2 demonstrates the effectiveness of lubricated ends and the adopted slenderness ratio in producing a uniform specimen deformation pattern at an axial strain of 30%%.
The horizontal and vertical split rules rules can be used to increase a value of support for a periodic pattern at an expense of length and frequency of the pattern and also to adjust the parameters of periodic pattern such that the extension and composition rules can be applied to build the complex patterns from the simple ones.
Figure 4 also presents (right panel) a result pertaining to the reference pattern at an assigned date and time (5 Feb 2009 , 08 36; 231 matched patterns that were capable of passing the two-phase selection among all candidates were found in the past and are shown.
Then we examined current preemptive AV fistula practice pattern at an academic medical center and estimated, using a newly developed equation, the likelihood of ESRD among patients who actually underwent AV access surgery.
Science
In contrast to WT mice, adult and young αMUPA mice show similar circadian food intake, indicating that at least some aspects of circadian behavior maintain a youthful pattern at an old age in these mice.
Science
The first successful treatment of a 6-year-old MPI-CDG patient with oral mannose supplementation resulted in clinical response within 2 weeks and subsequent improvement in serum protein glycosylation pattern at an 11-month follow up (Niehues et al., 1998).
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
By replicating that pattern at a microscopic level, researchers have been able to construct materials to which bacteria cannot cling.
News & Media
For the mapping of terrestrial features, aerial photographs usually are taken in overlapping series from an aircraft following a systematic flight pattern at a fixed altitude.
Encyclopedias
The Hv scattering showed a symmetric, circular pattern at a low stretch ratio of λ < 3.
Science
We used high resolution remote sensing imagery (IKONOS) to map habitat pattern at a 4 m spatial resolution and at variable extents.
Science
Direct tension relaxation modulus tests were conducted on the specimens at four different temperatures using the trapezoidal loading pattern at a low level of strain.
Expert writing Tips
Best practice
Reconsider the phrase structure of "pattern at an". Often, replacing it with "pattern in a" or rephrasing for clarity will enhance readability and grammatical accuracy.
Common error
Avoid using "at an" directly after "pattern"; it's often grammatically awkward. Instead, opt for "pattern in a" or restructure the sentence to create a smoother flow and avoid misinterpretations.
Source & Trust
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "pattern at an" functions as a prepositional phrase, but its usage is often grammatically questionable. As Ludwig highlights, it is not always a usable expression in written English. It often describes the location or time when a pattern occurs, although alternative prepositions are generally preferred.
Frequent in
Science
66%
Wiki
16%
News & Media
16%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, while the phrase "pattern at an" appears in various contexts, including scientific articles and general web content, it is not considered grammatically correct or stylistically ideal. Ludwig AI points out its awkwardness, recommending alternative phrasings such as "pattern in a" for improved clarity and grammatical soundness. When writing, particularly in formal or professional settings, it's best to avoid this phrase and opt for more precise and widely accepted alternatives to ensure effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
design at a
Replaces "pattern" with "design" to refer to a planned or structured arrangement, maintains the prepositional structure.
layout at a
Substitutes "pattern" with "layout," emphasizing spatial arrangement or configuration, maintains the prepositional structure.
arrangement at a
Replaces "pattern" with "arrangement," highlighting the organized placement of elements, maintains the prepositional structure.
motif on a
Swaps "pattern" for "motif," often used in design to describe a recurring element. Changes prepositions to create a more natural fit.
style at a
Replaces "pattern" with "style," focusing on a distinctive manner or design, maintains the prepositional structure.
trend in a
Changes "pattern" to "trend" to focus on tendencies or directions. Modifies the preposition to reflect the change in meaning.
tendency in a
Substitutes "pattern" with "tendency", focusing on a inclination. Modifies the preposition to reflect the change in meaning.
sequence in a
Replaces "pattern" with "sequence", focusing on a particular order. Modifies the preposition to reflect the change in meaning.
habit in a
Replaces "pattern" with "habit", focusing on a recurring behavior. Modifies the preposition to reflect the change in meaning.
configuration in a
Replaces "pattern" with "configuration", focusing on an arrangement of elements. Modifies the preposition to reflect the change in meaning.
FAQs
How can I correctly use the word "pattern" with a preposition?
Instead of "pattern at an", consider using "pattern in a", which is often more grammatically sound. For example, "There's a pattern in a sequence of events".
What is a more appropriate way to phrase "pattern at an"?
You can rephrase to use constructions like "pattern in a" or "pattern on a" depending on the context. Consider the relationship you're trying to express.
Is "pattern at an" grammatically correct?
The phrase "pattern at an" is generally considered grammatically incorrect. Alternatives like "pattern in a" or restructuring the sentence for better clarity are recommended.
What are some alternatives to "pattern at an" that sound more natural?
Depending on the context, you can use "design at a", "layout at a" or even revise the sentence to avoid the prepositional phrase altogether, focusing on clarity and correct preposition usage.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested