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Problem:
Platform: MATLAB
Implement a system that analyses an audio file (.wav format) and visually shows how the energy at each frequency changes with time.
You can choose the frequency resolution and the rate at which the energy change is estimated but structure your code such that these are adjustable parameters.
Compute the DFS coefficients of the following periodic sequences using the DFS definition and then verify your answers using MATLAB.
Control Design using Matlab, Please try and explain the characteristic of all the plots and graphs. Import all the required data in word of simply write in the script itself.
Develop a program that solves the power flow using the Gauss-Seidel or Newton-Raphson Method
Consider the random process Z(t) = Acos(pi t), where A is a random variable that follows the standard normal Gaussian.
Simulate 2000 coin flip experiments with a biased coin with "success" probability (chance of 1) p = 1=5. Plot an outcome of the proportion of successes with respect to the number of coin flips. Supply your code.
Write a MatLab function that takes in one argument, a vector or 2-D matrix and returns a single value, the highest value in the vector or matrix. Use nested for loops to accomplish this task. Assume that all of the values in the vector or matrix are ..
Write a script to use a polynomial to create data and then practice fitting - belongs to MATLAB software and discusses about application of MATLAB in mathematics to solve polynomials and to perform certain operations.
Write a used-defined function that calculates the average and the standard deviation. Determine A such that the area of the white and black colors will be same.
Find the closed-loop transfer function T(s) = c(s)/R(s). Find a value of Kp that will yield less than 10% overshoot for the closed-loop system. (Note: ignore the zero dynamics to calculate Kp initially)
Prepare a matrix of 5x6. with identical columns and rows ranging from 200 to 1000 in equal increments
Write the MATLAB code to create the vector [2,4,6,...,98,100] and store it in a variable named x(Hint: There is a shorthand notation for regularly spaced vectors)
Calculate the vertical stress increase expected 2.0 m under the ground surface, under the centre of a rigid 2m by 2m footing resting on the soil surface if the total contact load the footing places on the soil is 80kN.
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