After using NSolve, I have a list of numbers but I only want

Thread starter jemma
Start date May 20, 2010
Tags

List Numbers

In summary, NSolve is a built-in function in the Wolfram Language that can be used to find numerical solutions to equations and systems of equations. It uses sophisticated algorithms and methods to solve equations and provide accurate answers. The numbers obtained from NSolve can be manipulated and selected using different methods, and NSolve can be applied to both linear and nonlinear equations. The accuracy of the solutions depends on the precision and accuracy settings specified by the user, and the solutions can be visualized using the Wolfram Language's built-in plotting functions.

May 20, 2010

jemma

After using NSolve, I have a list of numbers but I only want mathematica to print the ones which are real numbers between 0 and 1 (inclusive). How do I do that? Thanks!

Physics news on Phys.org

May 21, 2010

CompuChip

Science Advisor

Homework Helper

You can simply use something like

Code:

  Select[%, (0 <= # <= 1) &]

where % stands for the list you want to filter.

1. What is NSolve and how does it work?

NSolve is a built-in function in the Wolfram Language that can be used to find numerical solutions to equations and systems of equations. It uses sophisticated algorithms and methods to solve equations and provide accurate answers.

2. How do I choose which numbers to keep from the list obtained after using NSolve?

The numbers obtained from NSolve are typically in the form of a list. You can use different methods such as selecting the first or last number in the list, choosing the minimum or maximum value, or specifying a range of values to keep from the list.

3. Can I apply NSolve to nonlinear equations?

Yes, NSolve can be used to solve both linear and nonlinear equations. However, the method and complexity of the solution may vary depending on the type of equation.

4. How accurate are the numbers obtained from NSolve?

The accuracy of the numbers obtained from NSolve depends on the precision and accuracy settings specified by the user. By default, NSolve uses machine-precision, but you can specify a higher precision to get more accurate results.

5. Is there a way to visualize the solutions obtained from NSolve?

Yes, you can use the Wolfram Language's built-in plotting functions to visualize the solutions obtained from NSolve. This can help you better understand the solutions and their behavior.