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For each question, click on the correct solutions(s). One or more propositions can be correct.
mandatory answer
Question 1
Enter your name :
Question 2
When loading a jpeg file, Imread() function return :
Question 3
Which statement(s) is/are correct (i.e. syntactically legal) if you want to assign a value of 1 to all colors components of all pixels of an image ? (we assume that color depth has three components : R G B)
Question 4
A and B are matrices of different dimensions. What does produce A.*B ?
Question 5
'ech' is a vector of 100 000 values, and 'y' is defined as : y=sin(2*pi*1000*ech); how can we plot y Vs. ech ?
Question 6
ech = 0:1/100000:0.02; y1 = sin(ech); How can we add random values to y1, by using the rand() function (in order to simulates a noise effect) ?
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