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ChrisR


Last seen: Today
2 601 total contributions since 2015

Faculty member in civil & environmental engineering

ChrisR's Badges

  • Matrix Patterns III Master
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  • Magic Numbers II Master
  • Sequences And Series I Master
  • ASEE Challenge Master
  • Matrix Patterns II Master
  • Number Manipulation II Master
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Volume of Cylindrical Shell

ungefär 16 timmar ago

Solved


Area of Cylindrical Shell

ungefär 16 timmar ago

Solved


Angular Velocity

ungefär 16 timmar ago

Solved


Period of a pendulum

en dag ago

Solved


Toolbox check part 3
In my ongoing quest to highlight obscure parts of MATLAB, the latest challenge is to take 2 string inputs, one a MATLAB toolbox ...

7 dagar ago

Solved


Spot the rectangle (Part 2)
This problem is related to the <http://bit-player.org/2009/the-17x17-challenge 17x17 challenge>. See also <http://www.mathworks....

9 dagar ago

Solved


Finding fourier transform of a given vector
Find the fourier transform of a given input vector for ex a=[1 2 3 4] then y=[ 10.0000 + 0.0000i -2.0000 +...

9 dagar ago

Solved


THE CALCULATOR OF LOVE
In honor of Valentine's Day, program a love calculator that figures out the percentage of compatibility between two people using...

9 dagar ago

Solved


Find all the zeros of sinus , cosinus and tangent in a given interval
The aim is to find all the zeros of a function within an interval. *Input* : * fcn : an anonymous function (@sin, @cos......

9 dagar ago

Solved


Mandelbrot Number Test [Real+Imaginary]
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

9 dagar ago

Solved


Construct finite difference approximations of derivatives
In solving a differential equation with a finite-difference method, one computes derivatives with various combinations of the fu...

10 dagar ago

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solve for y that is half as much as three less than one tenth of x
function y = half(x) y = (x * .1); end

10 dagar ago

Solved


Covering area
As an extension of the problem <http://www.mathworks.com/matlabcentral/cody/problems/416-polygon-area>, find the area, bounded b...

11 dagar ago

Solved


Wrap-around effect
In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...

11 dagar ago

Solved


Explode string
Break a sentence into cell of words

11 dagar ago

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Leading-zero padding
Write a function that will add leading-zero padding to all numbers in the supplied vector, as necessary, based on the maximum nu...

11 dagar ago

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Calculate the probability that at least two people in a group share the same birthday.
Calculate the probability that at least two people in a group share the same birthday. Given an integer input n, return to 0.015...

11 dagar ago

Solved


Second Diagonal
Transpose the matrix from it's second diagonal.

11 dagar ago

Solved


Numbers on 7-segment
This is a 7-segment: _ |_| |_| It's a 3-by-3 char matrix.It has made by 3 characters: '_' , '|' and ' ' (space...

11 dagar ago

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My Problem, Find the square of the horizontal concatenation of the third and fifth elements of a vector.
given the 1x5 vector x, y must be the square of the horizontal concatenation of the third and fifth elements. So, if x = [1 1 1 ...

11 dagar ago

Solved


Joules to Megatons of TnT
Given joules, J, make a function that converts to megatons of TNT.

11 dagar ago

Solved


Rankine to Celsius Converter
Given input R, degrees Rankine, convert into degrees Celsius.

11 dagar ago

Solved


Logarithm with base other than 'e'
The standard log() function in Matlab returns the natural logarithm (base equal to Euler's constant). Compute the logarithm for ...

11 dagar ago

Solved


Namespace
Create a set of n variable names 'a_1',...,'a_n' The result should be a column oriented cell array of strings. Example inp...

11 dagar ago

Solved


Sort rows of a matrix
Sort rows of matrix A in an ascending order according to the last column Example input: A = [1 2 3;7 8 9;4 5 6]; Exam...

11 dagar ago

Solved


Create a New_Word
The output of the function is a new word created from the word entered into the function. The new word is created by deleting th...

11 dagar ago

Solved


Find the distance traveled by a car given velocity and time.
A car is traveling at a constant velocity for a specific amount of time. The function should use the two inputs, velocity and ti...

11 dagar ago

Solved


Speed of car travelling x meters in y seconds
What is the speed of a car if the car travelled x meters in y seconds? Supply the answer in m/s.

11 dagar ago

Solved


What are the odds?
Two numbers, A and B are drawn randomly and uniformly on [-R,R]. What is the probability that A*B < A+B. Your function should ...

11 dagar ago

Solved


Elapsed time is -0.005204 seconds.
Write a function that takes less than zero seconds to execute, as measured using tic and toc. For repeatability, the test case p...

11 dagar ago

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