Numerical Derivative

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Enter a function to find its derivative
x^2-2
Point to evaluate: x
Step size: h
Formula to use
Finds the derivative of a function using the finite difference method

Summary

  • Function x^2 - 2
  • Python Function x**2 - 2
  • Symbolic Derivative 2 x
  • Derivative Function 2*x
  • x 1.0
  • h 0.0001
  • Formula Forward
  • Symbolic Result 2.00000000000000
  • Numerical Result 2.000099999999172
  • Error 9.99999991719847e-5

Numerical Result

f'(x) = \frac{f(x + h) - f(x)}{h} = \frac{f(1.0 + 0.0001) - f(1.0)}{(0.0001)} = 2.0001

Graph