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Allen


Last seen: 9 maanden ago Active since 2017

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

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  • 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

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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 ...

11 maanden 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 ...

11 maanden ago

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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....

11 maanden 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...

11 maanden ago

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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...

11 maanden ago

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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 ...

meer dan een jaar ago

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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...

meer dan een jaar ago

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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'...

meer dan een jaar ago

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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 ...

meer dan een jaar ago

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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 ...

meer dan een jaar ago

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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...

meer dan een jaar ago

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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...

meer dan een jaar ago

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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...

meer dan een jaar ago

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

meer dan een jaar ago

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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.

meer dan een jaar ago

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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...

meer dan een jaar ago

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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 ...

meer dan een jaar ago

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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...

meer dan een jaar ago

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

meer dan een jaar ago

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

meer dan een jaar ago

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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...

meer dan 2 jaar ago

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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;...

meer dan 2 jaar ago

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Converts numbers into characters
Converts numbers into characters

meer dan 2 jaar ago

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

meer dan 2 jaar ago

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

meer dan 2 jaar ago

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

meer dan 2 jaar ago

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to the 2 all elements
to the 2 all elements

meer dan 2 jaar ago

Solved


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

meer dan 2 jaar ago

Solved


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

meer dan 2 jaar ago

Solved


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

meer dan 2 jaar ago

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