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Duane Hanselman


University of Maine

Last seen: 11 mois il y a |  Actif depuis 2012

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Electrical Engineering professor. Coauthor of the "Mastering MATLAB" book series.

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PIDSEARCH
Search for optimum PD, PI, and PID parameters using fminsearch.

presque 6 ans il y a | 1 téléchargement |

A résolu


Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

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Polynomial Evaluation
Create a routine that takes a list of coefficients of a polynomial in order of increasing powers of x; together with a value of ...

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multiple of nine?
Given a positive number n, return true if n is a multiple of 9 and false if not. Do not make the division and do not use functio...

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prime to each other
Given two integers n1, n2 greater than 1, find out if they have common divisors or are prime to each other. Return "true" if the...

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Sum of Matrix
Sum of Matrix

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Get all corner elements from a matrix where dimension of matrix is always equal to or greater than 2.
if a given matrix a = [1 2 3;4 5 6]; so answer is going to be [1 3;4 6]

plus de 8 ans il y a

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How to make y half of x
Making y equal to x/2.

environ 9 ans il y a

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Find the product of a Vector
How would you find the product of the vector [1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] times 2?; x = [1 : 0.5 : 6]; y ...

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y equals x divided by 2
function y = x/2

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Skip by a multiple
Given an integer create an array of its multiples. Array must have a length of 15

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Array of Ones
Create a 100 X 100 array of ones.

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Is It a Palindrome?
Given a string or array, determine if it is a palindrome.

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sum of the first 10 odd numbers
y = sum(first_10_odd_numbers)

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Cumulative product of a vector
Cumulative product of a vector example x=[1 2 5 10], then answer must be [ 1 2 10 100] *If you like this prob...

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Print the largest eigenvalue of A(500)
Write a function that prints the largest eigenvalue of A(500), without any extraneous output. For a positive integer n, let A...

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Find the rank of a matrix
Determine the rank of a matrix without using the MATLAB function of the same name.

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Array resizing: Removing elements
* Remove elements 2, 4, and 6 from row array pendingTasks

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Constructing column arrays
* Construct a column array elevatorStops with values 2, 4, 5, 9, and 10

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Union of two set decreasing order
Union of two set decreasing order Say, x=[1 2 5] and y=[5 7 8] then answer must be [8 7 5 2 1]

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Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

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Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...

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Remove the Zero
Given an array n, remove all zeros

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Remove and Sort
Given a randomized array n, sort it and remove all odd integers. n=5 y = [2 4]

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Remove the positive integers.
Given array,x, remove all the positive numbers and display ouput as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

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Evaluate Polynomial
Given a polynomial equation coefficients in a vector p, you have to return its value at x. Example: For inputs p and x ...

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Polynomial Multiplication
Multiply two polynomial equation.Given polynomial coefficients a and b.

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Hard limit function
Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]

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Find supported functions
Given a function name, return true if that function is supported by the toolboxes that are installed with MATLAB on this machine...

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Reverse a matrix
Its simple. You have to reverse a given matrix.

plus de 9 ans il y a

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