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Partial Derivative Calculator Online

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The Partial Derivative Calculator is a valuable tool used in calculus to compute partial derivatives of functions with respect to specific variables. It assists in determining how a function changes concerning one variable while holding others constant.

Formula of Partial Derivative Calculator

The formula for calculating the partial derivative with respect to a variable is represented as follows:

∂f/∂x = lim (Δx → 0) [f(x + Δx, y) - f(x, y)] / Δx

Where:

  • ∂f/∂x is the partial derivative of the function f with respect to the variable x.
  • f(x, y) is the original function.
  • Δx is the change in the variable x.
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Similarly, for the partial derivative with respect to y:

∂f/∂y = lim (Δy → 0) [f(x, y + Δy) - f(x, y)] / Δy

Where:

  • ∂f/∂y is the partial derivative of the function f with respect to the variable y.
  • f(x, y) is the original function.
  • Δy is the change in the variable y.

Table of General Terms:

TermDescription
Partial DerivativeThe rate of change of a function concerning one of its variables while keeping others constant.
CalculusThe branch of mathematics that deals with rates of change and accumulation.
FunctionA relation that assigns a unique output value to each input value.
VariableA symbol representing a quantity that can vary in a mathematical equation.

Example of Partial Derivative Calculator

Consider the function f(x,y)=x2+2xy+y2. We can use the Partial Derivative Calculator to find ∂f/∂x and ∂f/∂y.

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Calculation:

  • For ∂f/∂x:
    • Substitute the function into the formula and compute the limit as Δx approaches 0.
    • Determine the change in the function concerning x.
  • For ∂f/∂y:
    • Substitute the function into the formula and compute the limit as Δy approaches 0.
    • Determine the change in the function concerning y.

Most Common FAQs:

What is the significance of Partial Derivative in real-life applications?

Partial derivatives are crucial in various fields such as physics, economics, and engineering for analyzing rates of change and optimizing functions.

Can the Partial Derivative Calculator handle complex functions?

Yes, the Partial Derivative Calculator can handle complex functions, provided the input is correctly formatted and the calculator’s capabilities are not exceeded.

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