Why will one of my lines of this function not work?
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How comes the line elseif p == 2 doesn't work when using the function in a script, but the rest do? Is there a better way to do this? Also how would I make it so that there is no output to the command window?
function [detA,trA] = myFunction(A,p)
if p == 1
detA = det(A);
elseif p == 2
trA = trace(A);
else
disp ('Invalid input')
end
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Birdman
il 21 Nov 2017
You define 2 outputs but in each if case, you only use one output and the other one is left unassigned. When you call function from workspace by not assigning its outputs, like
myFunction(A,1)
or
myFunction(A,2)
it automatically returns the first output. Since in the second if case you did not assign the first output to something, it does not return it. Instead try the following.
function y = myFunction(A,p)
if p == 1
y= det(A);
elseif p == 2
y= trace(A);
else
disp ('Invalid input')
end
and you can call it by
myFunction(A,1)
or
myFunction(A,2)
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