How can use "is not equal to" command in matlab? and how terminate or cancel if else??

Question

Triveni 2015-11-4

评论： James Tursa 2015-11-4

if i want to restrict variable

length(a) "is not equal to" length(b);
length(c) "is not equal to" length(a);
then terminate 
end

Answer 1

James Tursa 2015-11-4

E.g.,

if( length(a) ~= length(b) || length(c) ~= length(a) )
    % terminate
end

For the terminate statement, you need to be more clear. If you are terminating a loop of some sort, then

break;

If you are terminating a function with an error return, then

error('Lengths are not equal');

If termination means something else, then you need to tell us.

James Tursa 2015-11-4

Then use the error function as shown above. E.g.,

if( length(a) ~= length(b) || length(c) ~= length(a) )
      error('Error- dimensions of array is not equal');
end

If the error is not handled by a try-catch, then this will terminate the program with an error statement.