# ENGR112 HW2 Arrays Plotting.docx - Week 2 Homework Name:...

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Week 2 HomeworkENGR 112Arrays and plottingName: Yuanbo JiangLab TimeECampusNames of people you worked with:N/AWebsites you used:N/AApproximately how many hours did it take you to completethis assignment (to nearest whole number)?6By writing or typing your name below you affirm that all of the work containedherein is your own, and was not copied or copied and altered.Yuanbo JiangNote: Failure to sign this page will result in a 50-point penalty. Failure to list people youworked with may result in no grade for this homework. Failure to fill out hours approximationwill result in a 10-point penalty.Turn .zip files to Canvas or your assignment will not be graded
Week 2 HomeworkENGR 112Arrays and plottingLearning Objectives:You should accomplish the following:Understand how to create arrays, calculate with them, and extract data from them.Plot the results of calculations.Be able to split up plots into multiple windowsPlot multiple things in the same window with different colors and attributes.Homework Guidelines:1)Use example scripts from online for help plotting and vectors.2)Save scripts as “HW2Script1.m” for problem 1, “HW2Script2.m” for problem 2, etc.Specific Coding Notes:Plotting –Label axes (with units when known), use titles, and use legend when plotting morethan one thing on a graph.Example:NO😊YES😊Warnings and Errors –You may see orange and red bars on the right-hand side of the editor.Orange bars are warnings and red bars are errors. Hovering with the cursor over a par will showyou the problem.Example:
Week 2 HomeworkENGR 112Arrays and plottingGrading CheckpointsCriteriaComponentNoYes[30%] Comments andPseudocodeDeclared units on all variables?English description of problem at top?Comments outlining your steps?[20%] Output formattingUsed fprintf() to make complete sentences(when required)?Correct units on answers?Correct number of decimal places?Proper labels on graphs/plots?[50%] FunctionalityScript computes/plots correct value(s)?Did you use the correctrangesfor inputvariables?
Week 2 HomeworkENGR 112Arrays and plottingProblem 1a)Plot the following mathematical function in the domain -10 ≤ t ≤ 7 in increments of0.004. Assume that the x-axis is time measured in seconds, and the y-axis is distancemeasured in meters. Print the minimum and maximum values of y for that range of ts,and the t-values that produce the minimum and maximum values. Label the axes withtime in seconds (t) and distance in meters (y).a.Hint: Look up the different versions of the function min/max.b)Check the minimum value against theanalyticsolution (hint: minimum and maximumvalues occur when the derivative is zero).a.If you don’t want to do the derivative by hand, try thisweb-site(). Thisweb-site() can solve the resultingequation for you.

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