Gridding satellite data in Matlab

I having longitude, latitude and vector (data). I want to grid the data. I have written my own code using find command but it was very slow. Used griddata also but smoothness is not there.

I have run for huge data. Can anyone help me with best function for this

[ANKUR KUMAR]

If you have downloaded the Satellite Data, then you Data is already in gridded format.

Please provide the dimension of latitude, longitude and data, so that we can help you in a better way.

[Shaik Ghouse Basha]

I have 3 column data 1. longitude 2. latitude 3. data(Temperature)

I want to grid this data