how to unpack 3 values of a vector and assign it to 3 variables in matlab

In MATLAB, you can unpack multiple values from a vector and assign them to individual variables in a single line of code using square brackets. Here's an example:

main.m
v = [1 2 3];
[a, b, c] = v;
28 chars
3 lines

This code assigns the values 1, 2, and 3 to the variables a, b, and c, respectively. You can use any valid variable names instead of a, b, and c.

Note that the number of variables on the left-hand side of the equals sign must match the length of the vector. Otherwise, you will get an error. For example, the following code will generate an error because there are only two variables on the left-hand side:

main.m
v = [1 2 3];
[a, b] = v; % Error: not enough output arguments
62 chars
3 lines

Also note that this type of unpacking only works with row vectors, not column vectors. If you have a column vector, you can transpose it first using the transpose operator or the .' syntax, like this:

main.m
v = [1; 2; 3];
[a, b, c] = v.'; % Transpose using the .' syntax
64 chars
3 lines

related categories

gistlibby LogSnag