Is "ix = 1:[4:12]" legal?

Is this behavior documented (for R2013a)

    >> ix = 1:[4:12]
    ix =
         1     2     3     4

The Code Analalyzer issues a warning but Matlab evaluates the code without warning or error. I think a warning is appropriate.

&nbsp

Answer 1

[Sean de Wolski]

Documented:

web(fullfile(docroot, 'matlab/ref/colon.html'))

If you specify nonscalar arrays, MATLAB interprets j:i:k as j(1):i(1):k(1)

[per isakson]

... but it will let coding mistakes pass unnoticed.