FresnelG[z]
gives the Fresnel auxiliary function .


FresnelG
FresnelG[z]
gives the Fresnel auxiliary function .
Details

- Mathematical function, suitable for both symbolic and numerical manipulation.
.
- FresnelG[z] is an entire function of z with no branch cut discontinuities.
- For certain special arguments, FresnelG automatically evaluates to exact values.
- FresnelG can be evaluated to arbitrary numerical precision.
- FresnelG automatically threads over lists.
- FresnelG can be used with Interval and CenteredInterval objects. »
Examples
open all close allBasic Examples (4)
Scope (32)
Numerical Evaluation (5)
Evaluate numerically to high precision:
Precision of the output tracks the precision of the input:
Evaluate for complex argument:
Evaluate FresnelG efficiently at high precision:
Compute worst-case guaranteed intervals using Interval and CenteredInterval objects:
Or compute average-case statistical intervals using Around:
Compute the elementwise values of an array:
Or compute the matrix FresnelG function using MatrixFunction:
Visualization (2)
Function Properties (9)
FresnelG is defined for all real and complex values:
Approximate function range of FresnelG:
FresnelG is an analytic function of x:
FresnelG is monotonic in a specific range:
FresnelG is not injective:
FresnelG is not surjective:
FresnelG is neither non-negative nor non-positive:
FresnelG has no singularities or discontinuities:
Differentiation and Integration (5)
Series Expansions (4)
Other Features (2)
Applications (3)
Related Guides
History
Text
Wolfram Research (2014), FresnelG, Wolfram Language function, https://reference.wolfram.com/language/ref/FresnelG.html.
CMS
Wolfram Language. 2014. "FresnelG." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/FresnelG.html.
APA
Wolfram Language. (2014). FresnelG. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/FresnelG.html
BibTeX
@misc{reference.wolfram_2025_fresnelg, author="Wolfram Research", title="{FresnelG}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/FresnelG.html}", note=[Accessed: 15-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_fresnelg, organization={Wolfram Research}, title={FresnelG}, year={2014}, url={https://reference.wolfram.com/language/ref/FresnelG.html}, note=[Accessed: 15-August-2025]}