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Upstairs!

The stair has n steps. Every times you can up one or two steps. Give all the different solutions to upstairs. For example n ...

1 year ago

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Vector to Decimal

Given an integer vector , return its decimal representation as a character array. % Examples v = 7 x = '7' % v = [4 2] x...

1 year ago

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Write c^3 as sum of two squares a^2+b^2

write c^3 as sum of two squares a^2+b^2. a and b must be integer and greater than zero. For example 5^3 = 2^2 + 11^2 5...

1 year ago

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Draw a x-by-x matrix British flag (Euro 2020)

Draw a x-by-x matrix 'British flag' using '0' and '1'.(x is odd and bigger than 4) x = 5 answer = [0 0 1 0 0 ...

1 year ago

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Draw matrix 'Swiss flag'( Euro 2020)

Draw a x-by-x matrix 'Swiss flag' using '0' and '1'.(x is odd and bigger than 4) Example x=5 ...

1 year ago

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Recaman Sequence - I

Recaman Sequence (A005132 - <http://oeis.org/A005132 - OEIS Link>) is defined as follow; seq(0) = 0; for n > 0, seq(n) ...

1 year ago

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Find the outlier in a set of samples

Given an array x of numbers. Assumed that this array has one outlier. Find the position p and the value v of the outlier in this...

1 year ago

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Area of a pentagon

Given the side of a regular pentagon and its apothem return the area of pentagon. Remember the area of pentagon is calculate ...

1 year ago

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Assert yourself! Hack the assert function to pass this test.

Have you ever wanted to test out one of those hacks you have seen which "games" the problem by simply overwriting the assert met...

1 year ago

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Free passes for everyone!

_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): Once a mont...

1 year ago

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convert between ascii and characters

I have seen multiple problems like this but none of them have a robust test suite associated with them. The first input C is ...

1 year ago

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Average of even-numbered columns

Given a vector, find the average of even-numbered columns. e.g x = [ 4 6 8 9 1 2 7 ] y = ( 6 + 9 + 2 ) / 3

1 year ago

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Kelvin to Fahrenheit

You can find a doc about it in here => https://www.rapidtables.com/convert/temperature/how-kelvin-to-fahrenheit.html x is kelvi...

1 year ago

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Given A4 sizes find A3's long side

I think you know the relation between A3 and A4 paper so givens are sides of A4 x1=long side of A4 y1=short side of A4 y2 is ...

1 year ago

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Which one is More bigger?

we have two input like (x,y) our output (z) must wich one is bigger input.

1 year ago

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Matrix indexing with two vectors of indices (★★)

(copy of Prob 589) Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)). Thus, if...

1 year ago

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Four digit number ABCD reversal

write a MATLAB function to find the four-digit number ABCD when multiplied by 4 returns DCBA. The function takes an input x=4.

1 year ago

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Determine whether the number is multiple of 3 or not

Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

1 year ago

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Finding sum of even numbers in a vector.

Find the sum of all the even numbers present in the input vector x. Examples: Input x = [1 2 3 4] Output y is 6 Input...

1 year ago

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Construyendo matrices parte 2

Construye la siguiente matriz a partir de otros tres vectores/matrices. [ 1 8 15 3 3 3 3 2 9 16 3 3...

1 year ago

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Say type of roots in quadratic equation

Given the coefficients of a quadratic equation, write a function that gives the output y='RealDifferent' if the roots are real a...

1 year ago