This is my first attempt to use livescribe as a teaching tool.



Does the solve command in MATLAB not give you an answer?

In a recent blog about the MATLAB solve command, I mentioned that the solve command was not giving us the unique real solution to a physical problem.  A user at MATLAB suggested declaring the syms variable as real, before using the solve command. That worked.  So if the equation in terms of the variable b is eqnb=0, then use

syms b real;
solve (eqnb,b);


This post is brought to you by Holistic Numerical Methods: Numerical Methods for the STEM undergraduate at, the textbook on Numerical Methods with Applications available from the lulu storefront, the textbook on Introduction to Programming Concepts Using MATLAB, and the YouTube video lectures available at  Subscribe to the blog via a reader or email to stay updated with this blog. Let the information follow you.