Q:

Create new matrix of cell arrays

I have a Cell Array 1x254 with data of this type:
data = {'15/13' '14/12' '16/13' '16/13' '16/14' '17/14' '17/14' '18/14' '19/15'};

the first number corresponds to the temp, the second number the temp2
I need to separate the data and insert them in a matrix :
B =

    15    13
    14    12
    16    13
    16    13
    16    14
    17    14
    18    14
    19    15

I tried to use this solution
data = regexp(tempr, '\W','split');
B=cell2mat(cat(3,data{:}));

but I find no way to get ahead....
could  give me a hint?

A:

You are pretty close. You can do it using regexp as you did, but with / as the delimiter, in addition to cellfun(which is just a loop really) to convert from strings to digits, then apply cell2mat to get a numeric array as output:
clc
clear

data = {'15/13' '14/12' '16/13' '16/13' '16/14' '17/14' '17/14' '18/14' '19/15'};

%// Split data
C = regexp(data, '/', 'split');

%// Convert from strings to double
D = cellfun(@str2double,C,'uni',0);

%// Get final numeric matrix
E = cell2mat([D(:)])

NOTE:
As pointed out by Luis Mendo, str2double operates on cell arrays so you can trade cellfun and cell2mat for this single line:
E = str2double(vertcat(C{:}))

Output:
E =

    15    13
    14    12
    16    13
    16    13
    16    14
    17    14
    17    14
    18    14
    19    15

