1
vote
1answer
166 views

Expanding squares and simplification of equations

as i'm reading a paper "An Underdetermined Linear System for GPS" By Dan Kalman i understand the paper but when i traced the equations there's something i don't understand ,may be my mathematics is ...
2
votes
0answers
188 views

Mathematica: Solve function problem [closed]

I have entered the following commands in Mathematica: ...