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Functions

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Welcome to the NumXL Functions FAQ page! Here, you can find answers to various questions about using NumXL functions, including rendering arrays, handling errors, and optimizing performance. Explore our FAQ section for tips and guidance!

  • Nyquist frequency with DFT
  • Cointegration in NumXL
  • EWMA (Exponential Weighted Volatility) FAQ
  • Interpreting Calculated EWMA Values
  • Largest data set for DFT and IDFT?
  • GARCH_CHECK phenomenon
  • X-12-ARIMA Location
  • Returns Time Series Without Intermediate Calculations
  • Expiry Date Calculation for Equity Options
  • Correlation Matrix for Two-time Series
  • Is Time Series A White-Noise?
  • Stationary Time Series by Differencing
  • Using NumXL Functions in Excel Sheet
  • ARMA Phi and Theta initial-values are zeros
  • Calibration error - solver not found
  • Calibration Constraint's RHS 0.9999
  • NumXL with VBA and Excel Macro
  • Computing Current Volatility
  • NumXL in Excel 2001-2003
  • Run-time error 5, invalid procedure call, or argument
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