photo

Allen


Last seen: 7 months ago Active since 2017

Followers: 0   Following: 0

Professional Interests:
App Building, Fourier Analysis and Filtering, Signal and Data Processing, Seismology, Mechanical Engineering

Statistics

All
  • Thankful Level 2
  • Revival Level 2
  • Cody Challenge Master
  • Matrix Manipulation I Master
  • 5-Star Galaxy Level 2
  • Personal Best Downloads Level 2
  • Strings I Master
  • Cody Problems in Japanese Master
  • Knowledgeable Level 4
  • 3 Month Streak
  • Strings II Master
  • Number Manipulation I Master

View badges

Feeds

View by

Solved


Current through resistor
Three resistors (R2, R3, R4) are connected in parallel as shown in the figure. If this combination is connected in series with ...

10 months ago

Solved


Calculate Parallel Resistance
Three resistors connected in parallel have resistances R1, R 2, and R 3, respectively. Return the total resistance R total of ...

10 months ago

Solved


Resistance of a light bulb
The current through two identical light bulbs connected in series is C Amperes. The total voltage across both bulbs is V Volts....

10 months ago

Solved


Force and Motion 3
Two robots push on a large object in the same direction. One robot pushes with a force of F1 Newtons and the other with a force...

10 months ago

Solved


Force and Motion 2
Two robots are pulling on an object in opposite directions. One robot pulls with a force of F1 Newtons and the other with a forc...

10 months ago

Solved


Must be in the front row...
You are given a matrix followed by a single number. Your object is to write a script that will shift the matrix around so that ...

1 year ago

Solved


Write a function man that takes a row vector v and returns a matrix H as follows..
Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...

1 year ago

Solved


Too Many Zeros, Dump Them!
Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

1 year ago

Solved


Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

1 year ago

Solved


Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

1 year ago

Solved


A matrix of extroverts
Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

1 year ago

Solved


Enlarge array
Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

1 year ago

Solved


Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

1 year ago

Solved


frame of the matrix
Given the matrix M, return M without the external frame.

1 year ago

Solved


subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

1 year ago

Solved


Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

1 year ago

Solved


Some Assembly Required
The input to this function is a matrix of real numbers. Your job is to assemble the rows of the matrix into one large row that ...

1 year ago

Solved


Calculate a modified Levenshtein distance between two strings
Inspired by the Cody problem found here. The Levenshtein distance is a charater-based string metric used to measure the differe...

1 year ago

Solved


Calculate compression ratio of engine
Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

1 year ago

Solved


Calculate Engine Power
Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

1 year ago

Solved


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

2 years ago

Solved


Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

2 years ago

Solved


Converts numbers into characters
Converts numbers into characters

2 years ago

Solved


Find the max element of the array
Find the max element of the array

2 years ago

Solved


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

2 years ago

Solved


Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

2 years ago

Solved


to the 2 all elements
to the 2 all elements

2 years ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

2 years ago

Solved


Double all elements in the array
Duplicate all elements in the array

2 years ago

Solved


calculate the length of matrix
input 1 array, calculate the length

2 years ago

Load more