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< Assignment Details CMPSC 200 Programming for Engineers with MATLAB (SU24)
Instructions:
Complete Problem 1, Problem 2, and Problem 3 below. Remember that the work you submit must be your own.
Create a single script (.m file) to complete this assignment. Unless directed otherwise, use meaningful variable names for each variable; do not use the default variable ans to store your results. For this assignment suppress your output with semi-colons ( ; ). Each problem (i.e. Problem 1, Problem 2, and Problem 3) should be in a separate cell, using the cell mode feature of MATLAB.
Please remember to follow the Programming Style Convention on Canvas. When complete, please submit your code to the dropbox on Canvas; the grader will run it to view your output. Name your file like this: username_assignment10.m (example: bjs5332_assignment10.m). Your submission must be a single .m file.
Problems:
Please make sure to print your results for each of these problems using print statements.
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LTE 29
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Assignment Details CMPSC 200 Programming for Engineers with MATLAB (SU24)
Problems:
Please make sure to print your results for each of these problems using print statements.
1. Consider a discrete function given by the values in Table 1.
Table 1. A Discrete Function
Point i
1
2
3
4
5
x-value
1
2
3
4 5
y-value
-1
1
3
5
7
Recalling that for a linear fit the resulting equation should be of the form y = ax + b, find the linear curve fit using:
a) The mathematical technique described in Lecture 23 b) The polyfit function
2. Consider the function b(x) = x - x2 + x3. Use the polyval function to evaluate b(x) at the point x = 2, then print the results to the Command Window.
3. Consider the function c(x) = x4 - 5x2 + 4. Find the zeros of the function, then print the results to the Command Window.
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12:11
LTE 29
Assignment Details
< CMPSC 200 Programming for Engineers with MATLAB (SU24) 1. Consider a discrete function given by the values in Table 1.
Table 1. A Discrete Function
Point i
1
2
3
4
5
x-value
1
2
3
4 5
y-value
-1
1
3
5
7
Recalling that for a linear fit the resulting equation should be of the form y = ax + b, find the linear curve fit using:
a) The mathematical technique described in Lecture 23 b) The polyfit function
2. Consider the function b(x) = x - x2 + x3 .Use the polyval function to evaluate b(x) at the point x = 2, then print the results to the Command Window.
3. Consider the function c(x) = x4 - 5x2 + 4. Find the zeros of the function, then print the results to the Command Window.
Suggestion: You may find it helpful to plot the graph first to get a feel for where the zeros exist; there are exactly 4 zeros for this function.
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