Linear Combination
Calculate Linear Combination instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Linear Combination
a
x
b
y
a·x + b·y
2
More about: Linear Combination
What it calculates
The “Linear Combination” calculator computes a·x + b·y from 4 parameters: a, x, b, y.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters a = 2, x = 3, b = -1, y = 4 the result is 2.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.