problem to use compose

load('matlab_bb.mat') 

Error using load
Unable to find file or directory 'matlab_bb.mat'.

0.7937

0.7937

0.7937

0.7937

0.7937

    
   bbb=char(compose("%% %2.2f",bb));

'% 0.00'

'% 0.00'

'% 0.00'

'% 0.00'

'% 0.00'

'% 0.00'

'% 0.00'

'% 0.00'

why i see all zero?

Answer 1

[the cyclist]

It's because your values are actually 0.7937 * 1.e-5.

Try ..

load('matlab_bb.mat') 
bbb=char(compose("%% %9.9f",bb));