Mathematica Limits: How to Evaluate Limits with 2 Variables Approaching 0

In summary, a limit in Mathematica is the value that a function approaches as its input value gets closer and closer to a particular point. It is used to determine the behavior of a function near a certain point and is an important concept in calculus. To evaluate limits with 2 variables approaching 0 in Mathematica, you can use the Limit function. You can also use graphical methods to evaluate these limits and there are special cases to consider, such as when the limit does not exist. Mathematica can handle limits with multiple variables approaching 0 as long as they are specified correctly in the function.
  • #1
Curl
758
0
Can MMA take limits as 2 variables approach a value?
I want to take the limit as h and k both approach 0 for f(x+h,y+k)-...
Is there some trick to doing this?
 
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  • #2
The help system USED to show examples of Limit[Limit[expr,x->x0],y->y0] along with demonstrations of why the order might or might not matter. Unfortunately it looks like they have moved or removed that in the current help and I can't find it.
 

Related to Mathematica Limits: How to Evaluate Limits with 2 Variables Approaching 0

What is a limit in Mathematica?

A limit in Mathematica is the value that a function approaches as its input value gets closer and closer to a particular point, usually denoted by the symbol "x". It is used to determine the behavior of a function near a certain point and is an important concept in calculus.

How do I evaluate limits with 2 variables approaching 0 in Mathematica?

To evaluate limits with 2 variables approaching 0 in Mathematica, you can use the Limit function. You will need to specify the function, the variables, and the point towards which the variables are approaching. For example, to evaluate the limit of f(x,y) as x and y approach 0, you would use the command Limit[f(x,y), {x->0, y->0}].

Can limits with 2 variables approaching 0 be evaluated using graphical methods?

Yes, limits with 2 variables approaching 0 can be evaluated using graphical methods in Mathematica. You can plot the function and visually determine the behavior of the function as the variables approach 0. This can be helpful in understanding the concept of limits and checking your analytical calculations.

Are there any special cases to consider when evaluating limits with 2 variables approaching 0 in Mathematica?

Yes, there are some special cases to consider when evaluating limits with 2 variables approaching 0 in Mathematica. One important case is when the limit does not exist, which can occur when the function approaches different values from different directions. In this case, Mathematica will return the message "Indeterminate" to indicate that the limit cannot be evaluated.

Can Mathematica handle limits with 2 variables approaching 0 for functions with multiple variables?

Yes, Mathematica can handle limits with 2 variables approaching 0 for functions with multiple variables. You will need to specify all the variables and their corresponding limits in the Limit function. Mathematica can also handle limits with more than 2 variables approaching 0, as long as the number of variables and limits are specified correctly in the function.

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