If statement for identifying row/column vectors/matrix/scalars
36 views (last 30 days)
Show older comments
The question I am trying to solve, is how to create a function that recognizes the input given as either a colum vector, row vector, matrix, or scalar, depending on which category the input falls under it will execute simple arithmetic, that I can do. I have to create a function, myvec(x) that ![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/401164/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/401164/image.png)
the simple arithmetic I can execute, however, Im not sure how to type the if statements for the conditions the question prompts, for example, for the first condition how would I type
function y=myvec(x)
if y=rowvec? [1:n]? [1,n]?
or what is the correct way to do this, thank you
0 Comments
Answers (1)
Sudhakar Shinde
on 3 Nov 2020
Edited: Sudhakar Shinde
on 3 Nov 2020
'isrow' function returns true if input is row vector.
isrow(in)
'iscolumn' function returns true if input is column vector.
iscolumn(in)
'ismatrix' function returns true if input is matrix.
ismatrix(in)
'isscalar' function returns true if input is scalar.
isscalar(in)
2 Comments
Sudhakar Shinde
on 3 Nov 2020
example below
function y=myvec(x)
if isrow(x) %Check if row vector
ReveresRow = sort(x,'descend'); %Reverse elements
y = ReveresRow.^2; %Square
end
end
you can add else if conditions for column vector, matrix or scalar
See Also
Categories
Find more on Matrices and Arrays in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!