David Hill

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2.430 total contributions since 2017

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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

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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

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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

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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

Answered
Use loops to create a 3 x 5 matrix in which the value of each element is the difference between the indices divided by the sum of its indices (the row num ber and column number of the element). For example, the value of the element (2,5) is (2 – 5)/
[a,b]=ind2sub([3 5],1:15); m = reshape((a-b)./(b+a),[3],[5]);

alrededor de 12 horas ago | 0

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Modulo with 5

alrededor de 14 horas ago

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Half the length of the vector

alrededor de 15 horas ago

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Swap

alrededor de 15 horas ago

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area

alrededor de 15 horas ago

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size

alrededor de 15 horas ago

Solved

NaN

alrededor de 15 horas ago

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Seperate 2nd column in a matrix

alrededor de 15 horas ago

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imaginary

alrededor de 15 horas ago

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PRIME GENERATOR

alrededor de 15 horas ago

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Numerical differentiation with high precision

alrededor de 15 horas ago

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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

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Matrix operation

1 día ago

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Size

1 día ago

Solved

Find the Arc Length of the Curve Defined by the Parametric Functions

1 día ago

Problem

Find the Arc Length of the Curve Defined by the Parametric Functions

1 día ago | 1 | 4 solvers

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

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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