How to change or modify variable that already exists netcdf ?

i Want to 'nc_sst_with_cj' repalce oringal variable 'SST'.

both of them are same three dimensional.

My code is

nc=netcdf.open('F:\tt\wrflowinp_d01','write')
nc=ncwrite('wrflowinp_d01','SST','nc_sst_with_cj');

but show error

Too many output arguments.

Answer 1

[Matthew Eicholtz]

There should be no output arguments for ncwrite. Check the documentation here.

The function call should be of the form

ncwrite(filename,varname,vardata);