3.4 Assignment Solutions - Lecture 3

3.4.1 Part A

hw3partA.m

3.4.2 Part B

hw3partB.m

snd=[]; r=8000; l=0.01; for f=1000:100:2000   snd=[snd, sin(2 * pi * f / r * [0:r * l])]; end for f=2000:-100:1000   snd=[snd, sin(2 * pi * f / r * [0:r * l])]; end snd=[snd,snd,snd,snd,snd]; wavplay(snd, 8000);

Figure 3.18 Click to enlarge

3.4.3 Part C

hw3partC.m

grad=[]; for i=1:256   for j=1:256     grad(i,j,1)=i;     grad(i,j,2)=j;     grad(i,j,3)=255 - (i-1);   end end image(uint8(grad));

Figure 3.19 Click to enlarge

3.4.4 Part D

hw3partD.m