Question

what is linear combination?Explain in details.

Answer 1

a linear combination is an expression constructed from a set of terms by multiplying each term by a constant and adding

Answer 2

@funisland Suppose we have a function f1 and f2, linear combination of the two functions would be
\[Af1+Bf2\]
where A and B are constants

Answer 3

An expression of first order, composed of the sums and differences of elements with coefficients in a field, such as the field of real numbers.