To obtain access to a specific element of an array or structure within a Matlab matrix using a variable's value, you can use dynamic field or index references.
For accessing structure fields, you can use the dot notation and variable name as shown below:
% creating a structure
s.field1 = 10;
s.field2 = 20;
% accessing structure fields using variable
fieldName = 'field1';
fieldValue = s.(fieldName); % fieldValue will be 10
For accessing array elements, you can use the parentheses notation and variable value as shown below:
% creating an array
arr = [10, 20, 30];
% accessing array elements using variable
index = 2;
element = arr(index); % element will be 20
You can also use a combination of both notations to access elements from a nested array or structure.
Please start posting anonymously - your entry will be published after you log in or create a new account. This space is reserved only for answers. If you would like to engage in a discussion, please instead post a comment under the question or an answer that you would like to discuss
Asked: 2021-04-13 11:00:00 +0000
Seen: 10 times
Last updated: Jan 13 '23
What are some other options instead of Scipy to compute CubicSpline?
How can I use oversampling to address a problem?
How to determine the time average from netCDF with four dimensions?
What is the process for creating a mathematical model in MATLAB with the use of a Graph?
Can Polyspace be set up and executed using MATLAB APIs?
How can data preprocessing be performed using Matlab?
What is the process of using Debye's equation in either Matlab or Python to model experimental data?
What is the method for plotting certain values of a plotted vector with varied markers in Matlab?
How can the IR/Depth feed be obtained from a Logitech Brio 4k stream on a Windows device?