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Introduction to Programming in

MATLAB

Intro. MATLAB Peer Instruction Lecture Slides by Dr. Cynthia Lee, UCSD is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

Based on a work at www.peerinstruction4cs.org.

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>> im = imread('rainbow.jpg');>> part = im(1:floor(end/2),1:end,:);>> imshow(part)

a)

b)

c)

d)

e) None/other/error

Which image results from the following code segment:

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>> im = imread('rainbow.jpg');>> part = im(1:floor(end/2),floor(end/2)+1:end,:);>> imshow(part)

a)

b)

c)

d)

e) None/other/error

Which image results from the following code segment:

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RGB color reference

a)

b)

c)

d)

e) None/other/error

Which image results from the following code segment:

>> im = imread('rainbow.jpg');>> im(1:floor(end/2),1:floor(end/2),1) = 0;>> imshow(im)

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Which code segment takes the image on the left and transforms it to the image on the right?

>> im = imread('rainbow.jpg');>> z = zeros(size(im(:,:,1)));>> cat(3,im(:,:,1),z,z);>> imshow(ans)

>> im = imread('rainbow.jpg');>> z = zeros(size(im(:,:,1)));>> cat(3,z,im(:,:,2),z);>> imshow(ans)

>> im = imread('rainbow.jpg');>> z = zeros(size(im(:,:,1)));>> cat(3,z,z,im(:,:,3));>> imshow(ans)

a)

b)

c)

d) None/other/error

RGB color reference