Write a sequence of Matlab commands that will create a vector (row vector or col

Question

Write a sequence of Matlab commands that will create a vector (row vector or column vector, doesn’t matter) containing 800 points such that a) The first 400 points represent the samples obtained form an analog sinusoidal signal with a frequency of 4 KHz, which has been sampled at Fs = 16 KHz. (Generate the samples such that the first sample has a value of 0). b) The second 400 points represent the samples obtained form an analog sinusoidal signal with a frequency of 2 KHz, which has ALSO been sampled at Fs = 16 KHz. (Generate the samples such that the first sample in this second half of your overall signal is also 0). You only need to turn in the sequence of commands that you employed to achieve the creation of the 800-point vector required.

Explanation / Answer

Fs=16kHz

T=1/Fs=62.5ms

after subsititute the expressions becomes

>> n1=0:399
x1=sin(0.5*pi.*n)
n2=0:399
x2=sin(2*pi.*n)
x=[x1 x2]

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