by sum

USAGE SUMMARY

The phrase "by sum" is not correct and does not convey a clear meaning in written English.
It is unclear when it could be used without additional context, as it does not form a recognizable expression. Example: "The total was calculated by sum" does not make sense as it stands.

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The table was created using Clustergrammer where rows and columns are sorted by sum.

Nature

Structure of water at Pt/electrolyte solution interface was investigated by sum frequency generation (SFG) spectroscopy.

Electrochimica Acta

This year's show includes performances by Sum 41, Ludacris and Snoop Dogg (with the remaining members of The Doors).

The New York Times

The sidebar buttons allow users to reorder rows and columns by sum, variance, hierarchical clustering, or by label.

Nature

The dislocation reaction model for variant selection during the austenite-to-martensite transformation was first suggested by Sum and Jonas.

Acta Materialia

Optimum exposure time was determined by signal-to-noise ratio (SNR), given by sum intensity of pixels representing cell versus pixels without cells.

Nature

Fry later tweeted that when he promised to eat 40 hats if his followers weren't enchanted by Sum, he was actually referring to the word "hat" as meaning "cashew nut" in a rare Papuan dialect.

The Guardian - Books

Sufficient conditions for stability and stabilization are given in polynomial matrix inequalities (PMIs), and these conditions can be verified by sum of squares technique which solves linear matrix inequality feasibility problem in essence.

IFAC Proceedings Volumes

The prediction engine is operated by an ensemble of support vector machines (SVMs), with each SVM trained on a specific descriptor and the results of each SVM combined by sum rule.

Journal of Theoretical Biology

The dq0 current controller is implemented in Synchronous Reference Frame (SRF) rotating at fundamental frequency and consists of Harmonic Compensation (HC) regulator (realized by sum of Sinusoidal Signal Integrators (SSI)) in parallel to Proportional Integrator (PI) regulator.

Sustainable Energy, Grids and Networks

Figure 7 User grouping performance by sum rate.

EURASIP Journal on Wireless Communications and Networking

Expert writing Tips

Best practice

Instead of using the ambiguous phrase "by sum", specify the mathematical operation more clearly. For instance, use "by calculating the sum", "by summation", or simply "by total" for better clarity.

Common error

Avoid using "by sum" when describing calculations, as it can be unclear and may require the reader to infer the intended meaning. Always opt for precise language that explicitly states the mathematical operation performed.

Linguistic Context

The phrase "by sum" functions as a prepositional phrase, attempting to describe a method or process. However, according to Ludwig AI, it's considered grammatically incorrect and lacks clarity. In the provided examples, it's generally used to indicate a calculation involving addition or summation.

Expression frequency: Common

Frequent in

Science

95%

News & Media

3%

Formal & Business

2%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "by sum" attempts to describe a process involving addition, often in scientific or technical contexts. However, Ludwig AI indicates that it is grammatically incorrect and lacks clarity. While it appears with some frequency in various sources, particularly scientific ones, it's advisable to use more precise and grammatically sound alternatives such as "by total", "through addition", or "by summation". These alternatives ensure clearer communication and avoid potential misunderstandings.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

by total

Replaces "sum" with "total", focusing on the final result of the addition.

through addition

Specifies the process of obtaining a result via addition, clarifying the method.

by summation

Uses the more formal term "summation" to refer to the addition process.

via addition

Indicates that addition is the means by which something is achieved or calculated.

by adding

Emphasizes the action of adding as the method used.

by aggregating

Highlights the combination of multiple values into a single result.

by calculating the sum

More explicitly states the operation of calculating the sum.

by determining the total

Similar to "by total" but with added emphasis on the determination process.

through a sum

Uses the article "a" to highlight a single summation operation.

by the combined value

Focuses on the concept of a value being obtained from a combination of others.

FAQs

What does "by sum" mean?

The phrase "by sum" is grammatically incorrect and lacks a clear meaning in standard English. It's often used to describe a process involving addition or summation, but it's better to use more precise phrasing.

How can I rephrase a sentence that uses "by sum"?

Replace "by sum" with clearer alternatives such as "by total", "through addition", or "by summation", depending on the specific context.

Is "by sum" grammatically correct?

No, "by sum" is not grammatically correct in standard English. It's advisable to use more precise and grammatically sound alternatives.

What is the difference between "by sum" and "by total"?

While both phrases relate to addition, "by total" is clearer and more grammatically correct. "By total" directly refers to the final result of an addition, whereas "by sum" is less direct and can be ambiguous.