Partial Derivative of y with Respect to d: Δy

In summary, a partial derivative is a mathematical concept that measures the rate of change of a function with respect to one of its independent variables while holding other variables constant. It is calculated by treating all other variables as constants and taking the derivative of the function with respect to the variable of interest. The significance of Δy in the partial derivative is that it represents the change in the output of the function when the variable changes, helping to understand the relationship between variables. The partial derivative is important in fields like physics, economics, and engineering because it allows us to understand how a function changes when we vary one of its variables.
  • #1
lemaire
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Homework Statement



I have an initial data of d= 0.012608, V = 320 volt, Q = 1.50e-8 and A = 1.25e-4. y = Qd/AV. what is Δy , the partial derivative of y with respect to d?

Homework Equations





The Attempt at a Solution

 
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  • #2
When you take the partial derivative with respect to a variable, you treat all other variables as constants, so what is

[tex]\frac{\partial}{\partial d} \left( \frac{Q}{AV} d \right)[/tex]

when you treat [itex]\frac{Q}{AV}[/itex] as a constant?
 

Related to Partial Derivative of y with Respect to d: Δy

What is a partial derivative?

A partial derivative is a mathematical concept that measures the rate of change of a function with respect to one of its independent variables, while holding all other variables constant. It is represented by the symbol ∂ (pronounced "del").

How is a partial derivative calculated?

A partial derivative is calculated by treating all other variables in the function as constants and then taking the derivative of the function with respect to the variable of interest. This process is similar to taking a regular derivative, but only considering one variable at a time.

What does it mean to take the partial derivative of y with respect to d?

Taking the partial derivative of y with respect to d means finding the rate of change of the function y with respect to the variable d, while holding all other variables in y constant. In other words, it measures how much y changes when d changes, while everything else stays the same.

Why is the partial derivative important in science?

The partial derivative is important in science because it allows us to understand how a function changes when we vary one of its independent variables. This is crucial in fields like physics, economics, and engineering, where understanding the relationship between variables is essential.

What is the significance of Δy in the partial derivative of y with respect to d?

Δy, or "delta y", represents the change in the output of the function y when the variable d changes. It is used in the formula for the partial derivative to show the change in y over a specific interval of change in d. This helps us to understand the relationship between the variables and how they affect each other.

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