14-440-127 Recitation 7 Problems

14-440-127 - 14:440:127 Introduction to Computers for Engineers Problems for students to attempt in Recitation 7 1 Use a'for loop to calculate the

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14:440:127- Introduction to Computers for Engineers Problems for students to attempt in Recitation 7 1) Use a 'for loop' to calculate the sum of all prime numbers from 1000 to 2000. 2) Use a 'while loop' to calculate the sum of all prime numbers from 1000 to 2000. 3) What sequence of numbers will be displayed by the following ‘for loop’? n = 10; for j = 1:n n = n-1 j end 4) Define values for three variables of your choosing. Write an anonymous function that switches the values of variables one and two and another that does so for variables two and three. 5) Write a program to plot the curve y=sin(x)+cos(x) within [0,2 π ]. a) use fplot and a normal user-defined function. b) use fplot with an anonymous function that defines y. 6) The Fibonacci numbers are a sequence of numbers and defined as, The first number of the sequence is 0, the second number is 1, and each subsequent number is equal to the sum of the previous two numbers of the sequence itself. Use a ‘for’ loop to calculate the 100 th number F 100 . 7) Use a ‘while’ loop to find the first Fibonacci number larger than 10,000. Then, try writing this as a ‘for’ loop (using break). 8) Create a 15 by 15 matrix of all one value (your choice), then write a nested ‘for loop’ that changes the 5 by 5 range of numbers (represented by shaded areas) in each of the corners to another value (your choice). 9)
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This note was uploaded on 02/29/2012 for the course 440 127 taught by Professor Blase during the Fall '09 term at Rutgers.

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14-440-127 - 14:440:127 Introduction to Computers for Engineers Problems for students to attempt in Recitation 7 1 Use a'for loop to calculate the

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