Cell array and num2str comparison

Hi,

I want to know the diiference in the attacehd image, ass well i would like to know how to convert [] to '' the strcamp will work well.

groupName = [11,12];
a = num2cell(groupName)
c = {'42', '12'}
rows = strcmp(a,c)

thanks,

Nadav

Answer 1

[Jan]

The variable a is a cell array containing 2 scalar numbers, while b contains 2 CHAR vectors.

a = {42, 12}

a = 1×2 cell array
    {[42]}    {[12]}

c = {'42', '12'}

c = 1×2 cell array
    {'42'}    {'12'}

The square brackets are shown in the command window only an converting them to quotes is not meaningful.

There are many ways to compare the two cell arrays:

a1 = [a{:}];
c1 = str2double(c)

c1 = 1×2

42 12

a1 == c1

ans = 1×2 logical array
   1   1

or

a2 = sprintfc('%d', [a{:}])

a2 = 1×2 cell array
    {'42'}    {'12'}

strcmp(a2, c)

ans = 1×2 logical array
   1   1

Answer 2

[Image Analyst]

This should help you. FAQ:

https://matlab.fandom.com/wiki/FAQ#What_is_a_cell_array?

[Nadav]

Thanks