CODEWITHSUNDEEP
matlab
fmtcs
fmtcs

Reputation: 87

RMSE between two tables in Matlab

I have two tables x and y in Matlab that contain one column each of equal length. I just want to compute the RMSE between the two columns, but somehow I cannot do this simple operation.

rmse = sqrt(sum((x(:)-(y)(:)).^2)/1000)

It gives me an invalid array indexing error. What am I doing wrong? Thanks.

Upvotes: 0

Views: 126

Answers (1)

flawr
flawr

Reputation: 11628

In MATLAB you can only index variables, but not expressions. But that's exactly what you try to do with

(y)(:)

as (y) is an expression. Instead use

y(:)

Upvotes: 2

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