Used and loved by millions
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
for functional equations
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for functional equations" is correct and usable in written English.
It can be used in contexts related to mathematics, particularly when discussing equations that express relationships between functions. Example: "The researcher focused on solutions for functional equations that describe the behavior of dynamic systems."
✓ Grammatically correct
Science
Alternative expressions(1)
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
23 human-written examples
It gave rise to the stability theory for functional equations.
Such a phenomenon for functional equations is called the superstability.
In Section 2, we generalize Badora's result [10, Theorem ] for functional equations (1.5).
The quasi-linearization approach is a generalized Newton Raphson technique for functional equations.
Science
Since Hyers, many authors have studied the stability theory for functional equations.
A comparison between the direct method and fixed alternative method for functional equations is given in [19].
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
The stability problem for functional equation has extensively been investigated by a number of mathematicians [5 9].
We now investigate the generalized Hyers-Ulam-Rassias stability problem for functional equation (1.6).
By Theorem 3.8, we are going to investigate the following stability problem for functional equation (1.6).
By Corollary 3.9, we solve the following Hyers-Ulam stability problem for functional equation (1.6).
This method can be applied to prove the Hyers-Ulam stability problem for functional equation in Schwartz distribution [7, 8].
Expert writing Tips
Best practice
When using "for functional equations", ensure the context clearly indicates the purpose or application being discussed. For instance, specify whether you are referring to stability problems, solutions, or theories related to these equations.
Common error
Avoid using "for functional equations" in overly broad statements without specifying the particular aspect or type of functional equations being discussed. This can lead to ambiguity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for functional equations" primarily functions as a prepositional phrase indicating the purpose or focus of a statement, often in a mathematical or scientific context. Ludwig AI indicates this usage is correct and suitable.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "for functional equations" is a grammatically correct and functional phrase used primarily in scientific contexts to indicate the application, purpose, or focus of a particular study or method. Ludwig AI confirms its validity. While alternatives like "regarding", "related to", and "concerning" can be used, the choice depends on the specific nuance intended. The phrase is most common in scientific literature, emphasizing its role in academic discussions and research within mathematical analysis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
regarding functional equations
Replaces "for" with "regarding", changing the preposition but maintaining the focus on the topic of functional equations.
concerning functional equations
Uses "concerning" to indicate the subject matter being discussed.
pertaining to functional equations
Replaces "for" with "pertaining to", indicating a direct relevance or connection.
in the context of functional equations
Adds more context, specifying that the topic is within the scope of functional equations.
related to functional equations
Uses "related to" to show a connection or association with functional equations.
applicable to functional equations
Focuses on the applicability or relevance of a method or theory to functional equations.
with respect to functional equations
Specifies the viewpoint or aspect being considered in relation to functional equations.
in relation to functional equations
Emphasizes the connection or link between the topic and functional equations.
in connection with functional equations
Indicates a link or association, often used when discussing related problems or solutions.
on the subject of functional equations
Highlights that the discussion or analysis is about functional equations.
FAQs
How is "for functional equations" used in a sentence?
It's used to indicate the purpose, application, or focus of a particular method, theory, or study related to functional equations. For example, "The stability problem "for functional equations" has been extensively investigated."
What are some alternatives to using "for functional equations"?
You can use alternatives like "regarding functional equations", "related to functional equations", or "concerning functional equations" depending on the specific context.
What kind of research is "for functional equations" usually associated with?
It is often associated with research on stability problems, solutions, and generalizations of functional equations, particularly in the fields of mathematics and mathematical analysis.
Is it correct to say "about functional equations" instead of "for functional equations"?
While "about functional equations" can be used, ""for functional equations"" usually implies a specific purpose or application, whereas "about" is more general. The best choice depends on the intended meaning.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested