Kirk Roffi

Last seen: 1 jour il y a | Actif depuis 2023

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Karnopp's model- Stick-Slip Friction Dynamics in Simulink
A Simulink block diagram of Karnopp's model for representing dynamic mechanical systems with stick-slip motion

25 jours il y a | 16 téléchargements |

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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

environ un mois il y a

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Reset Integrator Friction Model in Simulink
A Simulink block diagram of the Reset Integrator friction model from Haessig and Friedland which efficiently simulates stick-sli...

environ un mois il y a | 4 téléchargements |

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Friction Hysteresis in Simulink - Dahl's Model
A Simulink block diagram for Dahl’s model of friction hysteresis in the pre-sliding regime.

environ 2 mois il y a | 9 téléchargements |

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LuGre Friction Model in Simulink
A Simulink block diagram of the LuGre friction model which captures a wide variety of frictional behaviors.

environ 2 mois il y a | 18 téléchargements |

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Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

3 mois il y a

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Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

3 mois il y a

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

3 mois il y a

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Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

3 mois il y a

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Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

3 mois il y a

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How many Christmas presents under the tree?
For many families at Christmas, each family member gives 1 present to every other family member. The main exception is that chil...

3 mois il y a

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Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

3 mois il y a

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Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

4 mois il y a

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Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

4 mois il y a

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Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

4 mois il y a

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Total energy

4 mois il y a

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Potential energy calculation

4 mois il y a

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Kinetic energy calculation

4 mois il y a

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Laws of motion 1

4 mois il y a

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Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

4 mois il y a

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Laws of motion 5

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Laws of motion 2

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

4 mois il y a

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Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vertices of ...

5 mois il y a

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Calculate Angle From Axis
Given coordinates x and y, an axis ("X" or "Y"), and a direction ("cw" or "ccw", meaning clockwise and counterclockwise, respect...

5 mois il y a

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

5 mois il y a

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

5 mois il y a

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

5 mois il y a

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

5 mois il y a

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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

5 mois il y a

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