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Martin C.


1,037 total contributions since 2016

University of Toronto CS master's student.
martincarrington.com

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Answered
Error when taking mean of generated random variables with gamma distribution.
you defined mean = 1. Then you try to use it as a function :)

11 days ago | 0

Answered
Collect double values of a matrix
hmm well to count occurences you could somehow use a hashmap containers.Map in matlab. that would be efficient.

11 days ago | 0

Answered
how to plot Integrate of exponent and cosine equation.
you can try something like this syms tau t f = exp(-t/tau).*cos(t+1) func = int(f,t,0,1) x = 0.01:.01:10; y = subs(func, x)...

11 days ago | 0

Answered
How to remove the integration constants from the integrated random signal ?
hmm.. are you trying to compute an indefinite integral?

11 days ago | 0

Answered
Variable updates for a brief moment before returning to the original value.
hmm you might want to use '< handle' if you want to make changes to an object within a method. https://www.mathworks.com/help/m...

11 days ago | 0

Submitted


ez (easy) plotter
MATLAB app that makes plotting functions easy and fun

1 month ago | 15 downloads |

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Solved


Calculate Resistance 2
In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...

3 months ago

Solved


Invert a 3D rigid-body transformation
Given an SE(3) matrix representing a rigid-body motion, compute its inverse without using |inv()| or |pinv()| .

3 months ago

Solved


Create a 3D rotation matrix
Consider an arbitrary coordinate frame {A}. Consider another coordinate frame {B} which has the same origin as {A} but is rotat...

3 months ago

Solved


anshil's problem
Only anshil should solve ans = ''

3 months ago

Solved


Angle between two vectors
Given 2 pairs of _cartesian co-ordinates_, determine the angle between the 2 vectors formed by the _points_ and the _origin_. An...

3 months ago

Solved


Add 3 numbers
In this problem, you have to add three numbers a, b and c. Give output d = add(a,b,c)

3 months ago

Solved


Ratio between sum of primes and sum of factors
Write a function that calculates the ratio between the sum of primes numbers lower or equal to x, and the sum of the factors of ...

3 months ago

Solved


Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

8 months ago

Solved


Replace values under a limit
For a vector x and number n, the goal is to find every element of x inferior to n and replace it by n. Example x= [ 1 2 3...

8 months ago

Solved


Add one raw in given matrix as shown in example
*Add one raw in given matrix as shown in example* A=[1 0;0 1]; X=[3 5]; Answer must be:[1 0; 0 1;3 5]

8 months ago

Solved


Narcissistic problem
How many likes has this problem?

8 months ago

Solved


Golden ratio
Calculate the golden ratio. Hint: phi^2 = phi + 1.

8 months ago

Solved


Additive persistence
Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

8 months ago

Solved


Replace secondary diagonal elements of a square array
Replace all the secondary diagonal elements of the square array A with the number n Example: A = [1 2 3 4 5 6 ...

8 months ago

Solved


Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

8 months ago

Solved


Basics: Divide integers to get integer outputs in all cases
Divide integers a and b in such a way that output y is always an integer (in ceil manner)

8 months ago

Solved


How many Integers?
Count the integers in a given vector |v|. You *must* use a loop to count each element separately. Examples: Input: v...

8 months ago

Solved


Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

8 months ago

Solved


Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

8 months ago

Solved


Matlab Basics II - Extract last 3 elements of a vector
Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

8 months ago

Solved


Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

8 months ago

Solved


Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

8 months ago

Solved


Help the Patriots get to the Super Bowl
Given a football by the Patriots, return it to them with 2 psi less air in it. (The original psi is passed as a number to the...

8 months ago

Solved


Binary
Given a positive, integer n, create a function that returns the respective binary number in the form of a vector. Example: ...

8 months ago

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