What's difference between these?(derivation)

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In summary, the conversation discusses the differences between various mathematical symbols and their meanings in relation to functions and rates of change. The symbols include H, G, dH/dG, Hx, ∂H/∂x, Hxy, ∂2H/∂x∂y, and G'. The conversation also mentions that the symbols may represent functions with different numbers of variables and their corresponding rates of change.
  • #1
Hamid1
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Hi all.
I know concept of derivation but I don't know the differences between these:
http://hamid693.persiangig.com/qu.jpg
can anyone explain what's difference between these?(1 to 5)

Thanks(and excuse me for my probable English mistakes
 
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  • #2
Hi Hamid1! :smile:

(1) I've no idea what that is :redface:

(2) H is a function one variable only, G, and dH/dG is the rate of change

(3) H is a function of variables including x, and Hx is the rate of change of H if x is changed, but the other variables are constant; Hx is also written ∂H/∂x

(4) H is a function of variables including x and y, and Hxy = (Hx)y = (Hy)x = ∂2H/∂x∂y

(5) G is a function of one variable only, and G' is the rate of change
 

What's the difference between a derivative and an antiderivative?

A derivative is a mathematical concept that represents the rate of change of a function at a specific point. It is calculated by finding the slope of the tangent line to the function at that point. An antiderivative, on the other hand, is the inverse operation of a derivative. It is a function that, when differentiated, gives the original function as its result. In other words, an antiderivative is a function whose derivative is the original function.

How is the derivative of a function related to its graph?

The derivative of a function represents the slope of the tangent line to the function at a specific point. This means that the derivative can tell us how steep or flat a function is at a particular point. On a graph, the derivative is represented by the slope of the line tangent to the curve at that point. If the derivative is positive, the function is increasing at that point, and if it is negative, the function is decreasing. A derivative of zero indicates a horizontal tangent line and a stationary point on the graph.

What is the difference between a partial derivative and a total derivative?

A partial derivative is the derivative of a function with respect to one of its variables while holding the other variables constant. It is used in multivariable calculus to study how a function changes when only one of its variables is varied. On the other hand, a total derivative is the derivative of a function with respect to all of its variables. It is used in differential calculus to study how a function changes in relation to all of its variables.

How is the derivative of a function calculated?

The derivative of a function is calculated using the rules of differentiation, which include the power rule, product rule, quotient rule, and chain rule. These rules allow us to find the derivative of a function by manipulating its algebraic expression. In some cases, the derivative can also be found using the geometric interpretation of the derivative, which involves finding the slope of the tangent line to the function at a specific point.

What is the difference between implicit and explicit differentiation?

Implicit differentiation is a method used to find the derivative of a function when the independent and dependent variables are not explicitly defined. In other words, the function is given in the form of an equation that cannot be easily solved for the dependent variable. On the other hand, explicit differentiation is used when the function is given in the form of an equation where the dependent variable can be easily isolated and solved for. In this case, the derivative can be found using the standard rules of differentiation.

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