Matlab: Problem with structures

[craigpmorgan]

Hi All,

I've written some code in Matlab that calculates a number of parameters and saves the data to a structure. A portion of the code is shown below:

uniqueName = genvarname(date);
plant(id).(uniqueName) = {date avgHeight avgVol};
.
The various parameters such as avgHeight etc. are defined earlier in the program. The confusing thing is that the code works fine when 'id' is a single digit number. However, when 'id' >= 10, the program returns the following error:
.
??? Insufficient outputs from right hand side to satisfy comma separated
list expansion on left hand side. Missing [] are the most likely cause.
.
I don't understand the error message and don't know what to do next.
Any help I receive will be greatly appreciated.
Thanks very much for your time,
Craig

[jhae2.718]

You might consider building a class instead of using a struct.

As for the error, there's not much to go on without having more code.

[Pythagorean]

As far as I know, a structure is a type of class in MATLAB:


http://www.mathworks.com/help/techdoc/matlab_oop/brh2rgw.html#brgljyu

craigpmorgan, try:

plant(str2double(id)).(uniqueName) = {date avgHeight avgVol};

so that you convert id to a number in case it's a string. It seems to me like it's interpreting 10 (for instance) as a 1 and 0 in a string array, rather than a single 10 in a number array.