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gives the Fresnel integral .
  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • FresnelC[z] is an entire function of z with no branch cut discontinuities.
  • For certain special arguments, FresnelC automatically evaluates to exact values.
  • FresnelC can be evaluated to arbitrary numerical precision.
  • FresnelC automatically threads over lists.
Evaluate numerically:
Evaluate numerically:
Click for copyable input
Click for copyable input
Click for copyable input
Evaluate for complex arguments:
Evaluate to high precision:
The precision of the output tracks the precision of the input:
Simple exact values are generated automatically:
Parity transformation is automatically applied:
FresnelC threads element-wise over lists:
TraditionalForm formatting:
FresnelC can be applied to power series:
Find series expansions at infinity:
Intensity of a wave diffracted by a half-plane:
Plot a Cornu spiral:
A solution of the time-dependent 1D Schrödinger equation for a sudden opening of a shutter:
Check the Schrödinger equation:
Plot the time-dependent solution:
Plot of FresnelC along a circle in the complex plane:
Use FullSimplify to simplify expressions containing Fresnel integrals:
Find a numerical root:
Obtain FresnelC from integrals and sums:
Solve a differential equation:
Calculate the Wronskian:
Compare with Wronskian:
Integral transforms:
FresnelC can take large values for moderate-size arguments:
A larger setting for $MaxExtraPrecision can be needed:
Different convention can sometimes be seen in books:
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