Write 2 or 3 line about impact of information technology on street sweeper

Using least squares fitting, you are to fit the data sets to the following models and solve for the parameters ai , where i is the index of the parameter. the input/output data for the systems are linked in the bblearn site. for each of the systems use matlab to plot the supplied data vs. the model fit on one plot. include your code in the solutions. (a) linear fit "lineardata.mat" y=a1x^3 + a2x^2 + a3x + a4 (b) plant fit "plantdata.mat g(s) = a1/(s + a2)

Awell-diversified portfolio needs about 20-25 stocks from different categories.

What is the digital revolution and how did it change society? what are the benefits of digital media?