i want to solve this equation

So i have to find a knowing that i have 2 vectors x and y with 10 values each. I tried with symsum but i have errors. help please

[darova]

You should try fsolve

Answer 1

[Star Strider]

See if this does what you want:

a = sum((x - mean(x)).*y) / sum((x - mean(x)).^2);

.