**Homework 2**

**Download the problems ****here**

**Due date: June, 24 before
10:00 AM**

**The
data sets and codes:**

__For
problem 1:__

__For
problem 2:__

**The description of the files.**

**The files required for problem
1 have been discussed in the class.**

**wr.txt** is a text file. It contains data for regression problem, the
first column is the x and the other one the y.

**band1.irs, band2.irs, band3.irs and band4.irs**** **are binary files containing a satellite image of Kolkata
captured in 4 different

frequencies. All these files have 512 *
512 bytes and one byte represents 1 pixel. The data in this file can be
transferred to a matrix of

integers using the following matlab commands**:**

** **

*fp** = fopen('band1.irs','r');*

*a=fread(fp,[512,512],’int8’);*

*fclose**(**fp**)*

** **

**You can use the following
commands to display the images:**

** **

*imagesc**(**a); colormap gray;*