EEL 2161 University of South Florida Computing Methods Questions

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Programming

EEL 2161

University of South Florida

EEL

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EEL 2161 Compuer Method Module 8 Homework Problem 1. (2 Points) (This is redoing of your previous homework problems. This time do this problem by using a user defined function. Please create a script with A User defined function that DOES NOT takes arguments AND does not return result value.) Create a script that will take user input of 3 vertices (6 numbers) to calculate the area of a triangle by using Heron’ Formula. You will need the “pow” function in “math.h” header file. PLEASE create an ARRAY for Vertices. Your output should have the format of -With the given vertices (Display Vertices) the area of the triangle is (The result.) Grading Rubric 100% The Student uploaded a file 70 % 0 40% 0 0% 0 User Defined function (0.8 Points) If user defined function had right structure for the requirements. Takes User input and generates accurate result. Students tried to do something with user defined functions Students tried to do something User defined function DOES NOT EXIST Takes input and Result is Accurate (1 Points) If user defined function did not have 100% right structure for the requirements. Takes User input and generates result with error. File is uploaded (0.2 Points) ***User defined function DOES NOT EXIST (Regardless of Taking User Input and / or Accuracy of the result)*** Problem 2. (3 Points) Create a script that will calculate each row sum, each column sum and the TRACE of the matrix (Trace of a matrix: sum of entries of a Matrix on the diagonal line). The TRACE line should be found if and only if the User’s Matrix is Square (Row number == Column number). The sum has to be done by using a “USER DEFINED FUNCTION that takes arguments but does not return value.” • 1st) The user should be prompted to type in the row, column number first, 2nd) then type in individual entries one by one. Ex. This is a Square Matrix 1 6 11 16 21 2 7 12 17 22 3 8 13 18 23 4 9 14 19 24 5 10 15 20 25 This is NOT a Square Matrix 1 6 2 7 3 8 Grading Rubric 100% The student uploaded a file. 70 % 0 40% 0 0% 0 User Defined function (1.5 Points) If user defined function had right structure for the requirements. Takes User input correctly and generates accurate result. Students tried to do something with user defined functions Students tried to do something User defined function DOES NOT EXIST Takes User input and generates accurate result. (1.2 Points) If user defined function did not have 100% right structure for the requirements. Takes User input and generates result with error. File is uploaded (0.3 Points) ***User defined function DOES NOT EXIST (Regardless of Taking User Input and / or Accuracy of the result)*** Suggested Output Problem 3. (5 Points) Use the given Taylor Series Expansion on Sine function http://people.math.sc.edu/girardi/m142/handouts/10sTaylorPolySeries.pdf to create a script that will compute sin(x) (Try your scripts with angles only between 0 and 90 degrees). Requirement 1) All numerical Computations have to be done by using User defined functions. 2) The argument of the User defined function needs to be Degree, then your function should change the degree to radian. 3) Power function SHOULD NOT TO BE USED. USE loop to compute power values (x3, x5…) in your user defined function. 4) Factorial function SHOULD NOT TO BE USED. Use For loop for your factorials. 5) Create two script – One with a user defined function that will return the result to the main part of your function – the result will be displayed by a printf() in the main function and another script with a user defined function that will not return the result to the main part – the result should be displayed by a printf() in the user defined function. Suggested Output! Grading Rubric 100% The student uploaded a file. 70 % 0 40% 0 0% 0 User Defined functions (3 Points) If user defined functions had right structure for the requirements. Generates accurate result. Students tried to do something with user defined functions Students tried to do something User defined functions DO NOT EXIST Result is Accurate (for angles between 0 and 90 degrees) (1.5 Points) If user defined functions did not have 100% right structure for the requirements. Generates result with error. File is uploaded (0.5 Points) ***User defined functions DO NOT EXIST (Regardless of Taking User Input and / or Accuracy of the result)*** *** 1) GRADING SHOULD STRICTLY BE BASED ON THE GRADING RUBRIC. 2) NO BASELESS PENALTY SHALL BE GIVEN. (PENALTY SHOULD BE BASED ON THE RUBRIC, NOTHING ELSE.) 3) TA’s CAN ASSIGN 10 % BONUS POINT TO STUDENT’S WORK FOR JOB EXTREMELY WELL DONE.
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