Undefined function 'read' for input arguments of type 'double'.

dat1=read(dat(100,1));   

where dat = 1684 *1 double

[Daniel M]

doc read

What are you trying to accomplish?

[arunnagiri murrugesan]

read the first 100 values of the data

Answer 1

[KALYAN ACHARJYA]

I assume that you have already dat file in your workspace

data1=dat(1:100,:);