Problem

Determine whether a number is a prime self number

6 years ago | 4 | 19 solvers

Solved

Infernal Recursion
Consider the recursion relation: x_n = (x_(n-1)*x_(n-2))^k Given x_1, x_2, and k, x_n can be found by this definition. Wr...

6 years ago

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Monty Hall
The classic Monty Hall "Let's Make a Deal" final showcase puzzle pits the contestant against three Doors. Behind one Door are dr...

6 years ago

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Mean ignoring NaNs
Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

6 years ago

Solved

square a vector-Given the variable x as your input, square it and put the result in y.
function y = (x)squared y = x; end

6 years ago

Problem

Determine aquifer properties: unsteady pump test in a confined aquifer

6 years ago | 1 | 9 solvers

Solved

Chromatic Tuner
Given a frequency, return the number of cents difference between the given frequency and its nearest semitone (in 12-tone equal ...

6 years ago

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Great Circle Distance
Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphe...

6 years ago

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Recurrence relation
A recurrence relation is given by P(1) := 1 P(n+1) := exp(1) - (n+1)*P(n) Write a function that, given an integer |...

6 years ago

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Differential equations I
Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

6 years ago

Solved

Singular Value Decomposition
Calculate the three matrices of the singular value decomposition (A = U*S*V^T) for each provided matrix. U and V are square unit...

6 years ago

Problem

Determine whether a prime is Pythagorean

6 years ago | 2 | 85 solvers

Solved

Matrix Pattern 5

6 years ago

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Matrix Pattern 9

6 years ago

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Determine the area of square if length of the diagonal is given

6 years ago

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Original coordinate of the min element of a subset of elements

6 years ago

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Given perimeter of a circle(P) and radius(r) find out what is the area of circle.

6 years ago

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Logic 11

6 years ago

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Repeat string n times
* You will be provided a string (s = 'string1_') * a starting point (num1 = 6) (always bigger than or equal to zero) * and n (...

6 years ago

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Low level NaN
* I have a dataset. Columns represents different variables. * A variable may start with NaN or any double type number. * If i...

6 years ago

Solved

Digit concentration in Champernowne's constant
Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...

6 years ago

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Mean Square Error

6 years ago

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Solve the recursion

6 years ago

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Divisors

6 years ago

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Sum multiples

6 years ago

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Minkowski distance

6 years ago

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Taxicab distance

6 years ago

Solved

Would you win a raffle?

6 years ago

Solved

Logic x

6 years ago

Solved

Rotate matrix by coloumns

6 years ago