Pass a Structure and Structure Elements to a Function

Question

Franco 2013-3-2

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/65608-pass-a-structure-and-structure-elements-to-a-function

I need to pass on a Structure as well as the elements of that structure to a function, but I keep on getting an error. Anyone out there know how to fix this one. Thanks in advance.

function [output] = monthlyplot(data,year,month);
%data; pass on structure; ex. Electrical
%year; pass on year of interest; ex. Twelve
%month; pass on month of interest; ex. January
month2 = struct('January',1,'February',2,'March',3,'April',4,'May',5,'June',6,'July',7,'August',8,'September',9,'October',10,'November',11,'December',12);
year2 = struct('Twelve',1,'Thirteen',2);
fieldmonths = fieldnames(month2);
fieldyear = fieldnames(year2);
temp1 = getfield(data.year.month);

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Franco 2013-3-2

Say that the structure is of the form Electrical.Year.Month. I would like to pass the structure Electrical to the function. Specify the Year and the Day. So for example, if I want to do an analysis on the data set in Electrical.Twelve.January, I would like to pass that on to the function in the form monthlyplot(Electrical, 'Twelve','January'). When I do that though,t he error I get is

monthlyplot(Electrical,'Twelve','January')

Reference to non-existent field 'year'.

Azzi Abdelmalek 2013-3-3

编辑：Azzi Abdelmalek 2013-3-3

在 MATLAB Online 中打开

You can use

Electrical.('twelve').('January')

%or

year='twelve'
month='January'
Electrical.(year).(month)

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Answer 1

Walter Roberson 2013-3-3

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/65608-pass-a-structure-and-structure-elements-to-a-function#answer_77147

在 MATLAB Online 中打开

function [output] = monthlyplot(data,year,month);
%data; pass on structure; ex. Electrical
%year; pass on year of interest; ex. Twelve
%month; pass on month of interest; ex. January
temp1 = data.(year).(month);