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Peaks on the wave in a Fourier series

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#fourier-series #periodic-functions
30
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Parabolic sine-Gordon equation with periodic and odd initial data function

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#partial-differential-equations #periodic-functions #even-and-odd-functions
131
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fully customizable periodic function?

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#functions #exponential-function #normal-distribution #periodic-functions
30
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Periodic Differential Equation Solution

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#calculus #ordinary-differential-equations #derivatives #partial-differential-equations #periodic-functions
85
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If $f(x)$ has a minimum positive period, then is $f(x^2)$ not periodic?

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#functions #periodic-functions
83
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how to determine the smallest t when summing 2 periodic functions?

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#algebra-precalculus #functions #trigonometry #periodic-functions
71
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Confusion about Separation of Variable with Periodic Boundary Conditions

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#partial-differential-equations #boundary-value-problem #heat-equation #periodic-functions
73
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Defining boundary conditions on $\mathbb{T}=\mathbb{R}/\mathbb{Z}$

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#equivalence-relations #periodic-functions #quasiperiodic-function
78
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The minimal positive period of the function $f(x) = \cos(3x) + \sin(\frac{x}{2})$

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#trigonometry #periodic-functions
38
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Prove equality of functions satisfying a periodic relation

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#functions #examples-counterexamples #periodic-functions
64
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Minimization of a multivariate function where each variable shows sinusoidal dependence with offset

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#real-analysis #optimization #nonlinear-optimization #periodic-functions
27
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Relation between spherical harmonics in $\mathbb{S}^2$ vs circular harmonics in $\mathbb{S}^1$

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#fourier-series #periodic-functions #spherical-harmonics
29
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Even or odd, periodic or not $k>0 \; ; \forall x\in\mathbb{R}, f(x+k)=f(k-x)\; and\; f(2k+x)=-f(2k-x) $

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#periodic-functions #even-and-odd-functions
50
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Average of Sums of Exponentials

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#real-analysis #number-theory #fourier-analysis #periodic-functions #exponential-sum
67
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A Particular Version of The Lagrange Mean Value Theorem for Complex Valued Functions

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#complex-analysis #periodic-functions #mean-value-theorem

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