Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsFourier Series Approximations to Roots of Unityhttp://demonstrations.wolfram.com/FourierSeriesApproximationsToRootsOfUnity/]]>http://demonstrations.wolfram.com/FourierSeriesApproximationsToRootsOfUnity/Fourier Series Approximation to Equilateral Trianglehttp://demonstrations.wolfram.com/FourierSeriesApproximationToEquilateralTriangle/]]>http://demonstrations.wolfram.com/FourierSeriesApproximationToEquilateralTriangle/Polar Fourier Transformhttp://demonstrations.wolfram.com/PolarFourierTransform/]]>http://demonstrations.wolfram.com/PolarFourierTransform/Recovering the Fourier Coefficientshttp://demonstrations.wolfram.com/RecoveringTheFourierCoefficients/]]>http://demonstrations.wolfram.com/RecoveringTheFourierCoefficients/Discrete Harmonic Functions and Dirichlet's Relaxation Methodhttp://demonstrations.wolfram.com/DiscreteHarmonicFunctionsAndDirichletsRelaxationMethod/]]>http://demonstrations.wolfram.com/DiscreteHarmonicFunctionsAndDirichletsRelaxationMethod/One-Sided Fourier Transform: Application to Linear Absorption and Emission Spectrahttp://demonstrations.wolfram.com/OneSidedFourierTransformApplicationToLinearAbsorptionAndEmis/]]>http://demonstrations.wolfram.com/OneSidedFourierTransformApplicationToLinearAbsorptionAndEmis/Sine Wave Generation Using an Unstable IIR Filterhttp://demonstrations.wolfram.com/SineWaveGenerationUsingAnUnstableIIRFilter/]]>http://demonstrations.wolfram.com/SineWaveGenerationUsingAnUnstableIIRFilter/Visualizing the Poisson Kernelhttp://demonstrations.wolfram.com/VisualizingThePoissonKernel/]]>http://demonstrations.wolfram.com/VisualizingThePoissonKernel/Synthesis with Even and Odd Functionshttp://demonstrations.wolfram.com/SynthesisWithEvenAndOddFunctions/]]>http://demonstrations.wolfram.com/SynthesisWithEvenAndOddFunctions/First and Second Derivatives of a Periodic Function Using Discrete Fourier Transformshttp://demonstrations.wolfram.com/FirstAndSecondDerivativesOfAPeriodicFunctionUsingDiscreteFou/]]>http://demonstrations.wolfram.com/FirstAndSecondDerivativesOfAPeriodicFunctionUsingDiscreteFou/Fourier Power Spectrum as a Measure of Line Jaggednesshttp://demonstrations.wolfram.com/FourierPowerSpectrumAsAMeasureOfLineJaggedness/]]>http://demonstrations.wolfram.com/FourierPowerSpectrumAsAMeasureOfLineJaggedness/Dynamic Analysis of a Second-Order System with Harmonic Loadinghttp://demonstrations.wolfram.com/DynamicAnalysisOfASecondOrderSystemWithHarmonicLoading/]]>http://demonstrations.wolfram.com/DynamicAnalysisOfASecondOrderSystemWithHarmonicLoading/Vibration Patterns of a Bellhttp://demonstrations.wolfram.com/VibrationPatternsOfABell/]]>http://demonstrations.wolfram.com/VibrationPatternsOfABell/Schrödinger Representations in Function Theoryhttp://demonstrations.wolfram.com/SchroedingerRepresentationsInFunctionTheory/]]>http://demonstrations.wolfram.com/SchroedingerRepresentationsInFunctionTheory/Pulse Fourier Approximationhttp://demonstrations.wolfram.com/PulseFourierApproximation/]]>http://demonstrations.wolfram.com/PulseFourierApproximation/Heat Transfer along a Rodhttp://demonstrations.wolfram.com/HeatTransferAlongARod/]]>http://demonstrations.wolfram.com/HeatTransferAlongARod/Complex Mapping of Contours and Regionshttp://demonstrations.wolfram.com/ComplexMappingOfContoursAndRegions/]]>http://demonstrations.wolfram.com/ComplexMappingOfContoursAndRegions/Amplitude and Phase in 2D Fourier Transformshttp://demonstrations.wolfram.com/AmplitudeAndPhaseIn2DFourierTransforms/]]>http://demonstrations.wolfram.com/AmplitudeAndPhaseIn2DFourierTransforms/From Continuous- to Discrete-Time Fourier Transform by Sampling Methodhttp://demonstrations.wolfram.com/FromContinuousToDiscreteTimeFourierTransformBySamplingMethod/]]>http://demonstrations.wolfram.com/FromContinuousToDiscreteTimeFourierTransformBySamplingMethod/XFT: An Improved Fast Fourier Transformhttp://demonstrations.wolfram.com/XFTAnImprovedFastFourierTransform/]]>http://demonstrations.wolfram.com/XFTAnImprovedFastFourierTransform/