Also found in: Encyclopedia, Wikipedia.
linear combination
n.
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.