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ChrisR


Last seen: Today 2015 이후 활성

I teach courses in water resources and environmental fluid mechanics.

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  • MATLAB Central Treasure Hunt Finisher
  • Knowledgeable Level 1
  • First Answer
  • Computational Geometry I Master
  • Matrix Manipulation II Master
  • Strings III Master
  • Strings II Master
  • Card Games Master
  • Sequences And Series II Master
  • Matrix Patterns I Master
  • Cody5 Easy Master
  • Functions I Master

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해결됨


Nth Order Polynomial Regression
Inputs: -two vectors x and y (row or column) -order of polynomial, p Outputs: -vector of coefficients [b0 b...

3일 전

해결됨


Parametric Array
Create a row vector, 1xN (Integer, >1), such that the mean of the vector is M (Real number) and the standard deviation of the ...

6일 전

문제


List the semiprimes
A semiprime number—or a 2-almost prime—is the product of two prime numbers. The numbers and are semiprimes, but and are not....

6일 전 | 0 | 솔버 수: 4

해결됨


Nodal Voltage of Resistor Ladder Network
* You have a bunch (an even number N) of identical resistors (each R ohms), a good battery (V volts) and a high impedance voltme...

20일 전

해결됨


How many palindromes?
* Given a set of letters, count all possible palindromes, using all of those letters. * For example, if the set is {'A' 'A' 'A'...

20일 전

해결됨


Oxidation State
* In some chemical compounds, the oxidation state of each atom of hydrogen H is +1. * In some chemical compounds, the oxidation...

21일 전

문제


Determine whether one vector is a subset of another
While bumbling through a pair of problems in the Number Theory group, I wrote code to determine whether a vector is a subset of ...

21일 전 | 2 | 솔버 수: 6

해결됨


Parcel Routing
Given a matrix that represent the distance along highways between major cities numbered 1 to _N_, provide the path and shortest ...

22일 전

해결됨


Fangs of pseudo-vampire number
given a number, find all the fangs of that number. A pseudo-vampire number can have multiple of fangs. The output should be a...

22일 전

해결됨


Find similar/related functions
The help function can be useful for getting quick assistance on a particular function. For most built-in MATLAB functions, a por...

23일 전

해결됨


Compute the intersect point of line and plan
Compute the intersect point of line and plan. eg. line AB, the coordinate of A is (1,2,3) the coordinate of B is (-4,-5,-6...

23일 전

해결됨


Scorer's Function
Evaluate the Scorer's function for a given input. The expected output is Gi(x). Note - The precision will vary for test cases...

23일 전

해결됨


Draw 'W'
For any given n, return a matrix of height n and width 4n-3 containing a W of ones. Example: n=2 ans= [1 0 1 0 1 0 1 0 1 0...

25일 전

해결됨


Create a fixed format text output
Given a short brief matrix, such as x = [1.2 2.4 3.6; 1.5 2.3 3.5; 1.35 2.35 3.65] and a label 13, create a fixed format text o...

25일 전

해결됨


Aerodynamic load on a vehicle
Determine the aerodynamic load on a vehicle having aerodynamic drag coefficient , frontal area , moving at speed in an environm...

25일 전

해결됨


Zigzag array
Given an vector of integers, rearrange the array so that the array looks like: [largest value, smallest value, 2nd largest valu...

25일 전

해결됨


Pascal's Triangle
Given an interger n, return n row Pascal's Triangle.

25일 전

해결됨


Draw a triangle of ones
For any given n, return a matrix that includes a triangle of ones of height n: Example n = 3 output = [0,0,1,0,0 ...

25일 전

해결됨


encuentra el 'string', o serie, mas largo el un vector de 'strings'
Encuentra el 'string' mas largo. Si hay mas de uno del mismo tamano, elige el primero.

25일 전

해결됨


Minimum number of children to distribute unequal cookie portions
A cruel parent wants to distribute N cookies such that it is impossible for every child to receive the same number of cookies. W...

25일 전

해결됨


Invert a Logical Matrix
Given a logical matrix, invert it

25일 전

해결됨


Sequence
Let S be a sequence of numbers Let Find for some , where and .

25일 전

해결됨


Momentum Calculation
A shopping cart of mass 'm1' is traveling with velocity 'u' and collides with a second shopping cart of mass 'm2.' The two shopp...

25일 전

해결됨


Ridge regularized linear regression
Given a predictor data matrix of size , target variable vector of size and a shrinkage factor (scalar) (ridge regularization...

25일 전

해결됨


Calculate Percentage
Given marks obtained and total marks, calculate the percentage.

25일 전

해결됨


Find all prime factors of the input
Given an input x, find its all prime factors. Return the vector with all factors in ascending order. Efficiency is the key here...

25일 전

해결됨


Sum of 2 numbers in array
Given an array and a target sum, return true if any 2 numbers in the array sum up to the given target sum. Both numbers cannot h...

25일 전

해결됨


Find distance travelled by an object starting from rest in time 't' and linear acceleration 'a' = 3t
Find distance travelled by an object starting from rest in time 't' with linear acceleration a = 3t. You are given time t as an ...

25일 전

해결됨


Sum of Cubes
Given n, find the sum of cubes of integers till n. For example, if n = 3, then answer is 1^3 + 2^3 + 3^3 = 36.

25일 전

해결됨


Create a column vector of n elements between a and b (both included)
Given lower limit a and an upper limit b, create a column vector of n elements inclusive of a and b. For example: a = 1, b = 4,...

26일 전

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