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Replace Negative(-) by 0 and positive by 1

In a given Matrix Replace all element having *Negative sign with 0* and *Positive elements with 1* .

1 year ago

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intervals

Write a function that takes an interval from a to b, and divides it into 6 parts.

1 year ago

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row removal

Remove the nth row from input matrix M and return the resulting matrix in output N.

1 year ago

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vectors counting by 5

Create a vector with numbers from x_min to x_max in increments of 5.

1 year ago

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Find the volume of cone

Find the volume of cone, when given radius(r) and height(h).

1 year ago

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Solve expression III

Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

1 year ago

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Find hen's weight.

If hen weights x kilos on two legs, how much does it weights on one leg? Output the result.

1 year ago

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Octoberfest festival

A group of students decided to visit Octoberfest festival. First they ordered one beer, then after half-hour they taken one more...

1 year ago

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Form a square matrix from four square sub-matrices

Create a square matrix, y, from 4 square sub-matrices that will be constructed (x1, x2, x3, x4): y = [x1 x2; x3 x4]; ...

1 year ago

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Find Euclidean norm of given vector u.

Find Euclidean norm of given vector u. https://en.wikipedia.org/wiki/Euclidean_distance Example x=[1 1] result=sqrt(1^2+1^2...

1 year ago

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Calculate the sum of elements of n*n Hilbert matrix.

Calculate the sum of elements of n*n Hilbert matrix. For example, for n=5: HilbertMatrix = [1.0000 0.5000 0.333...

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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Pentagonal dodecahedron

<<https://upload.wikimedia.org/wikipedia/commons/7/73/Dodecahedron.gif>> Pentagonal dodecahedron is a dodecahedron that is ...

1 year ago

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Times 10

Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...

1 year ago

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Times 5

Try out this test problem first. Given the variable x as your input, multiply it by five and put the result in y. Examples...

1 year ago

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Convert from Base 10 to base 5

Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10

1 year ago

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Matrix spiral

Make a spiral in a (n*n) matrix. The spiral has to start in the top left, and has to rotate clockwise to the center. The spiral ...

1 year ago

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Who knows the last digit of pi?

There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

1 year ago

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Circumscribed circles

Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

1 year ago

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count to vector

Return a matrix of numbers of dimension K by N, where K = prod(v), and N=length(v). The rows count from a vector of ones up to v...

1 year ago

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Count from 0 to N^M in base N.

Return an array of numbers which (effectively) count from 0 to N^M-1 in base N. The result should be returned in a matrix, with ...

1 year ago

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Which quadrant?

Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

1 year ago

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Omit columns averages from a matrix

Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

1 year ago

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Are you in or are you out?

Given vertices specified by the vectors xv and yv, and a single point specified by the numbers X and Y, return "true" if the poi...

1 year ago

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Balanced number

Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

1 year ago

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So many choices

For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

1 year ago

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Half?

If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

1 year ago