Symbolic intergration in Matlab using INT command?

In summary, The "INT" command in Matlab is used for symbolic integration and is typically used when changing from numerical to symbolic multiplication. The format for using it is int(function, 'variable'). An example would be defining a function as f = 'x^2 + sin(x)' and then using the int command to calculate the integral from a specified range.
  • #1
ACT
13
0
Symbolic intergration in Matlab using "INT" command?

Hello,

I am a bit confused a to when should we use the Symbolic intergration using "INT" command in Matlab ?

Thanks
 
Physics news on Phys.org
  • #2
hii

also and me,
But ,I think at the time when change to symbolic multiplication (*)...


with my best wishes...!
 
  • #3
cotton candy said:
hii

also and me,
But ,I think at the time when change to symbolic multiplication (*)...


with my best wishes...!

sorry but i don't understand ur reply!
 
  • #4
the format in MATLAB is
int( function, 'variable' ).
For example, to calculate the integral from 1 to 100, the object function is [tex]x^2 + \sin (x)[/tex], you should do following:
1. define the function as
f = 'x ^ 2 + sin(x)';
2. integral
int( f, 'x', 1, 100 )
 

1. What is symbolic integration in Matlab using INT command?

Symbolic integration in Matlab using INT command is a process of finding the antiderivative of a given function symbolically, without numerical approximations. It is a powerful tool for solving complex integrals and can be used for a wide range of mathematical problems.

2. How do I use the INT command in Matlab for symbolic integration?

To use the INT command in Matlab for symbolic integration, first declare the variable or variables you want to integrate with respect to. Then, use the INT command followed by the function you want to integrate and the variable or variables. For example, INT(sin(x), x) will integrate sin(x) with respect to x.

3. Can I specify limits of integration with the INT command in Matlab?

Yes, you can specify limits of integration with the INT command in Matlab by adding the lower and upper limits after the function and variables. For example, INT(x^2, x, 0, 2) will integrate x^2 with respect to x from 0 to 2.

4. What are the benefits of using symbolic integration over numerical integration in Matlab?

Symbolic integration allows for exact solutions to integrals, while numerical integration only provides approximations. Symbolic integration is also more efficient for solving complex integrals and can handle a wider range of functions.

5. Are there any limitations to using the INT command for symbolic integration in Matlab?

Yes, there are some limitations to using the INT command for symbolic integration in Matlab. It may not be able to find a solution for certain functions or may take a long time to compute for very complex integrals. In these cases, it is best to use numerical integration methods in Matlab.

Similar threads

  • MATLAB, Maple, Mathematica, LaTeX
Replies
4
Views
1K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
10
Views
2K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
9
Views
2K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
1
Views
1K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
4
Views
1K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
2
Views
1K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
32
Views
2K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
4
Views
2K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
4
Views
1K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
5
Views
1K
Back
Top