how to round up and down?

i have the folowing matrix

 ans =

         0         0         0         0   -0.2500
         0         0         0    0.7500         0
         0         0   -0.2500         0         0
         0    0.7500         0         0         0
   -0.2500         0         0         0         0

i need to round it so the diognal elements are -1 1 -1 1 -1 how can i do this?

Answer 1

[Azzi Abdelmalek]

sign(A).*ceil(abs(A))

[Kobi]

thanks

[Azzi Abdelmalek]

Or simply

sign(A)