Remove a specific string from a cell matrix

Hello,

I have a question. I have a cell matrix 200x1 with the following format.

Temperature 10

Temperature 10

Temperature 25

Temperature 30

........................

Temperature 150.

I would like to use a command which will "remove" the string "Temperature".

Does anybody knows which command should I use to make it?

Answer 1

[Adam Danz]

Option 1: strrep() to replace 'Temperature ' with empty

C = {'Temperature 10';'Temperature 10';'Temperature 25';'Temperature 30'};
Ctrim = strrep(C,'Temperature ','') %cell array of chars containing only the numbers
Cnum = str2double(Ctrim);           %vector of the numbers of class double.  

Option 2: regexp() to extract the numeric characters

Ctrim = regexp(C,'\d+','match','once'); 
Cnum = ... %see above

Option 1 is faster.

[Ivan Mich]

Adam Danz Thank you very much !!!

[Adam Danz]

Glad I could help!

BTW, the first solution, using strrep, is ~3.6 x faster (comparing median speeds using tic/toc across 100k iterations, each).