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Recitation 05 Problems

# Recitation 05 Problems - 14:440:127 Introduction to...

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14:440:127 Introduction to Computers for Engineers Recitation 5- Problems for students to attempt Please complete these problems on your own time if you do not finish in recitation. You don’t need to show us the completed recitation problems, although we recommending saving a copy of your solutions for your own benefit. 1. The following weight and height data are collected in two arrays. Plot them in an X-Y plot. The line should be in RED. Add axis labels. Weight=[120 120 140 180 200 250 90] Height = [170 169 175 182 180 180 162] 2. Use linspace to generate 100 points from 0 to 2*pi for x, plot the following functions in a) separate figures, b)the same graph, and c) next to each other using subplot 1) y = sin(x) 2) y = cos(x) + sin(x) 3) y = sin(x)cos(x) Title the graph and label the axes 3. A rational function is formed by dividing one polynomial by another. The graphs of rational functions can take a variety of different forms and can be difficult to plot by hand. But with Matlab it’s a piece of cake J. Plot f(x) = (x+2) / (x^2+1) . 4. Plot following two functions on the same plot: x(t) = sin(t+2)*e t y(t) = cos(3t-6)*t^2 Let t=[0:0.01:10].

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