Community Profile # Yin

### US Army ARDEC

Last seen: 12 jours ago Active since 2011

Congrats of 20 years, MATLAB! I have been a user since before the desktop interface!

Programming Languages:
C#, MATLAB
Spoken Languages:
English

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

18 jours ago

Solved

Total energy

2 mois ago

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Potential energy calculation

2 mois ago

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Kinetic energy calculation

2 mois ago

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Laws of motion 1

2 mois ago

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Laws of motion 2

2 mois ago

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Laws of motion 3

2 mois ago

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Laws of motion 4

2 mois ago

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Laws of motion 5

2 mois ago

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Laws of motion 6

2 mois ago

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Combined Ages 2 - Symmetric, n ≥ 3
Following on <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-3 Combined Ages 2>, you wil...

5 mois ago

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Combined Ages 1 - Symmetric, n = 3
You have probably seen the common riddle wherein combined ages are provided and you must determine the individual ages. For exam...

5 mois ago

Solved

To convolve two vectors
To convolve two vectors

plus d'un an ago

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calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

plus d'un an ago

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Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

plus d'un an ago

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Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

plus d'un an ago

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Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

plus d'un an ago

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linear least squares fitting
Inputs: * |f|: cell-array of function handles * |x|: column vector of |x| values * |y|: column vector of |y| values, same l...

plus d'un an ago

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Linear system of equations
Solve the system of equations in three variables.

plus d'un an ago

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System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

plus d'un an ago

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Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

plus d'un an ago

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Given a matrix, return the last eigen value
Given a matrix, return the first eigen value For example: x = magic(5) 17 24 1 8 15 23 5 7 14 ...

plus d'un an ago

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Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

plus d'un an ago

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Orthonormal matrix
You decide whether any given matrix is an orthonormal matrix or not. If each column in a matrix is perpendicular to the other...

plus d'un an ago

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Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

plus d'un an ago

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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

plus d'un an ago

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Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

plus d'un an ago

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Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

plus d'un an ago

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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

plus d'un an ago

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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

plus d'un an ago