lab 3 work - Alan Shu-Ming Kwok (sk25784) ME 218 Lab...

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Alan Shu-Ming Kwok (sk25784) ME 218 Lab (17795) Problem 2.1.1 Enter the following commands in your m-file and run it if myValue equals 8. What size is y and what will be in each entry of y? Name Size Bytes Class Attributes y 1x8 64 double y = 1.0e+003 * 0.0027 0.0074 0.0201 0.0546 0.1484 0.4034 1.0966 2.9810 Problem 2.1.2 The following example won’t work. Why not? Hint: How would you display the second element in the vector y? Attempted to access y(1.5); index must be a positive integer or logical. Problem 2.1.3 Now Let’s try on our own. Use a for loop and MATLAB to plot the following relationship. x=1:.05:5 and y=1/x Turn in both your m-file and the plot.
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>> clear; x=1:0.05:5; for i =1:length(x) y(i) = 1/x(i); end Problem 2.1.4 Edit nested.m so that row = [ 1 2 3 4 5 ] . Run the m-file. Using MATLAB vector multiplication, how can you produce the matrix A without using any FOR loops? >> row = [ 1 2 3 4 5 ]; factor = [ 1 10 100 1000 ]'; factor*row
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Alan Shu-Ming Kwok (sk25784) ME 218 Lab (17795) ans = 1 2 3 4 5 10 20 30 40 50 100 200 300 400 500 1000 2000 3000 4000 5000 Problem 2.1.5 Create a script file named force.m and define force to be […] Inside the script file force.m, define x=1:20 and write a for loop around the IF statement that sets a vector F equal to Force evaluated at each x. Plot the result using plot( x, F ). Add both a title and labels for each axis. Print out a copy of the script and the plot to turn in.
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This note was uploaded on 09/04/2011 for the course ME 218 taught by Professor Unknown during the Spring '08 term at University of Texas at Austin.

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lab 3 work - Alan Shu-Ming Kwok (sk25784) ME 218 Lab...

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