residual sum of squares for matrix 7x1

I have a 14x1 matrix, I don't know how to compute the squares of the residuals. thank you.

[Birdman]

What do you mean by residual?

[the cyclist]

Do you mean you are fitting an equation? What MATLAB function(s) are you using to do that?

[John D'Errico]

Is it a 7x1 or a 14x1 VECTOR anyway? We cannot read your mind.

To compute the sum of squares of residuals you...

1. Compute the residuals. Note that you cannot compute a residual without the existence of TWO sets of numbers, thus the actuals and the predicted.

2. Square them

3. Form the sum

In which step are you having problems?