- #1
M.Qayyum
- 13
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Homework Statement
Homework Equations
f(x,y,z,)=(x-2)2+y2+z2
M.Qayyum said:First of all thanks for welcome...
and thanks for your time...But i want to know, how to solve these questions, please explain little more.
(New to Calculus-Sorry for my Bad English)
HallsofIvy said:In order to solve a problem, you have to have a problem! So far, you just have function! What is the problem? If it is "describe the level surfaces" of a given function, set the function equal to a constant and try to determine what the graph of that equation looks like.
f(x,y,z)= c is one equation in three variables, x, y, and z. Given values for two of those, you could (theoretically) solve for the third. So the figure is a two dimensional figure- a surface. The term "level surface" comes from the lower dimensional case: the graph of z= f(x,y) is itself a surface. If we look at f(x,y)= c, we get a one-dimensional graph, the "level curve" since every point is at the "z= c" level of the original graph.
Level surfaces are imaginary surfaces that represent a constant value of a physical quantity. They can be thought of as a 3-dimensional graph, with the x and y axes representing two independent variables and the z axis representing the dependent variable.
Level surfaces are important because they allow us to visualize and understand complex physical phenomena. They help us to identify patterns, relationships, and trends in data and make predictions about future behavior.
Yes, level surfaces can be applied to all fields of science, including physics, chemistry, biology, and geology. Any physical quantity that can be represented by a mathematical function can be visualized using level surfaces.
Level surfaces and contour lines are similar in that they both represent a constant value of a physical quantity. However, contour lines are typically used in two dimensions, while level surfaces are used in three dimensions. Additionally, contour lines are usually used for topographical maps, while level surfaces can represent a wide range of physical quantities.
Level surfaces can be calculated or determined by solving the mathematical equation that represents the physical quantity of interest. This can be done using various methods, such as algebraic manipulation, numerical methods, or computer simulations.