in this article that explain the method of peani baker
i can not understand how in page 5 for first example it calculate element (1,2) of I(t)(with subscript n)
can anybody help?
suppose we have this equation :
x is a n by 1 column matrix and A is a n by n matrix that is the matrix of coefficients.
coefficients of equations and consequently A are depend on t which is time.
how i Solve this equation ?