
Problem on distances [WORD] 

Problem on linear equations [WORD] 

GPS satellite problem 1 page [PDF] 

Oscar data fitting 1 page [PDF] 

Finding critical points 1 page [PDF] 

Error correcting codes 2 page [PDF] 

Extremization in economics 1 page [PDF] 

Markov processes 1 page [PDF] 

A circuit problem 1 page [PDF] 

Problems on determinants 1 page [PDF] 