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David Hill


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2.430 total contributions since 2017

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Solved


Solve system of equation!
Given provided system of equation, and find x and y. System of equation can be expressed as each term's coefficient. For exam...

39 minutos ago

Solved


Removing vibration!
There are [y] that vary with [x] but y including small useless vibration. x=1:10 y=[1.71 2.03 3.28 4.05 5.10 6.82 7.69 8.3...

41 minutos ago

Solved


Cody problems in French : Trouvez la logique Pt.2
Trouvez la logique entre x et y, aidez-vous de la test suite. Bon courage. P.S: L'utilisation de "^" est de nouveau fortement...

alrededor de 1 hora ago

Solved


Analyze observation data
Suppose you have the following data (A,B,C) in three-column format. A B C -------------------------- t=1 ...

alrededor de 1 hora ago

Solved


Scalar Matrix Manipulation
Assume, input x is a scalar matrix such as, x = 2 0 0 0 2 0 0 0 2 th...

alrededor de 1 hora ago

Solved


Find the complement of a number in binary
Input x is a decimal number and output y is the complement of binary representation of x. For example, x = 10 has the binary ...

alrededor de 1 hora ago

Solved


Modulo with 5

alrededor de 14 horas ago

Solved


Half the length of the vector

alrededor de 15 horas ago

Solved


Swap

alrededor de 15 horas ago

Solved


area

alrededor de 15 horas ago

Solved


size

alrededor de 15 horas ago

Solved


NaN

alrededor de 15 horas ago

Solved


Seperate 2nd column in a matrix

alrededor de 15 horas ago

Solved


imaginary

alrededor de 15 horas ago

Solved


PRIME GENERATOR

alrededor de 15 horas ago

Solved


Numerical differentiation with high precision

alrededor de 15 horas ago

Solved


Derivative function
Given a function handle f, generate a function that evaluates the derivative of f Examples: f = @sin; df = De...

alrededor de 16 horas ago

Solved


Matrix operation

1 día ago

Solved


Size

1 día ago

Answered
using a value to find index in a matrix?
[i,j]=ind2sub(size(Matrix_A),find(Matrix_A==x));

2 días ago | 0

Solved


Find the mean of two vectors
Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)

2 días ago

Solved


Find the sum of the largest two elements in a vector
With this one, you have to find the two largest elements in a vector and output the sum of those numbers.

2 días ago

Solved


Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

2 días ago

Solved


Solve equation numerically
y'=y In order to solve equation using computer, numerical analysis are needed. 1st order Euler's method is one of the metho...

2 días ago

Solved


Where is 1?
There is a 3d matrix [A] that consist of many zeros and only one. A=zeros(100,100,100); i=randi(100); j=randi(100); ...

2 días ago

Solved


Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

2 días ago

Solved


Calculate solution of given polynomial
For example, y=function([3 -2 -4]) In here, input vector indicate 3*x^2-2*x-4, y is solution of former equation. y=[1.5...

2 días ago

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