Find a length of string/array without length function

Hi All,

Hope everyone is doing great. I have minor question, I am trying to write a simple function to find a length of string/array, of course without using length function of MATLAB.

I am trying to find if there is any condition related to error message index bound, then I can use it in loop. Any other ideas are more than welcome.

Thank you in advance.

Answer 1

[James Tursa]

I have no idea what the point of this question is, but do you mean something like this?

try
    k = 1;
    while( true )
        str(k);
        k = k + 1;
    end
catch
    strlength = k - 1;
end

[KKR]

Hi James,

I have been given an exercise (or else I would never think of something like this...).

This is what I tried:

% i=1;

% while ~isempty(strop(i))==1

% i = i+1;

% end

% ln = i-1;

The problem is it gets index bound error. I am not sure how is it different than what you said. Please let me know, if you see where am I missing out?

Thank you for your help.

Answer 2

[Sean de Wolski]

str = 'hello world!';
max(size(str))

[KKR]

Sean,

This works perfect. But, I dont think I can even use that. I would like to write really basic code, with looping to find the number of elements.

Thank for your help, nonetheless.

Kaushal

[Sean de Wolski]

Then write it!

Answer 3

[bym]

a variant on your code

str = 'hello world';
c =0;
while ~isempty(str)
  c = c+1;
  str(1)=[];
end
c