# Everything in matlab (c) Let’s now define a MATLAB function that generates the unit step function…

Everything in matlab (c) Let’s now define a MATLAB function that generates the unit step function. To do this, you will need to define a file heaviside.m with the following contents: function f = heaviside (t) % HEAVISIDE Unit Step Function % f = heaviside (t) returns a fector f the same size as % the input vector, where each element of f is 1 if the % corresponding element of t is greater than or equal to zero f = (t=0); What is the output to the following command: y = heaviside ([-1:0.2:1]) What is the mathematical function it represents? (d) Use the vector t = [-1:1/100:1] and

Everything in matlab (c) Let’s now define a MATLAB function that generates the unit step function. To do this, you will need to define a file heaviside.m with the following contents: function f = heaviside (t) % HEAVISIDE Unit Step Function % f = heaviside (t) returns a fector f the same size as % the input vector, where each element of f is 1 if the % corresponding element of t is greater than or equal to zero f = (t=0); What is the output to the following command: y = heaviside ([-1:0.2:1]) What is the mathematical function it represents? (d) Use the vector t = [-1:1/100:1] and heaviside to compute and then plot the following functions, which each have different types of transformations of the time variable. For each signal, write a description of how the transformed signal relates to the original signal. Use the subplot command to plot all functions within the same figure. i. g (t) = f(-t) ii. 92(t) = f(t + 0.5) iii. 93(t) = f(t – 0.5) iv. 94(t) = f(-2t +0.5) (e) Calculate the energy and power of y(t) = cos (Tlt/5) over one period. Is y(t) a finite or infinite energy signal? (f) Plot the following discrete-time signals using MATLAB for 5 = n

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