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Efthymios Prapas


Last seen: mer än ett år ago |  Active since 2021

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

mer än 2 år ago

Solved


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

mer än 2 år ago

Solved


Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

mer än 2 år ago

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Converts numbers into characters
Converts numbers into characters

mer än 2 år ago

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Find the max element of the array
Find the max element of the array

mer än 2 år ago

Solved


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

mer än 2 år ago

Solved


to the 2 all elements
to the 2 all elements

mer än 2 år ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

mer än 2 år ago

Solved


Double all elements in the array
Duplicate all elements in the array

mer än 2 år ago

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calculate the length of matrix
input 1 array, calculate the length

mer än 2 år ago

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Draw a '0' in a one matrix!

mer än 2 år ago

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Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

mer än 2 år ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

mer än 2 år ago

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

mer än 2 år ago

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Create a vector
Create a vector from 0 to n by intervals of 2.

mer än 2 år ago

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

mer än 2 år ago

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

mer än 2 år ago

Solved


Find max
Find the maximum value of a given vector or matrix.

mer än 2 år ago

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

mer än 2 år ago

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Inner product of two vectors
Find the inner product of two vectors.

mer än 2 år ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

mer än 2 år ago

Solved


Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

mer än 2 år ago

Solved


Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

mer än 2 år ago

Solved


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

mer än 2 år ago

Solved


Find my daddy long leg (No 's')
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

mer än 2 år ago

Solved


Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

mer än 2 år ago

Solved


Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

mer än 2 år ago

Solved


(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

mer än 2 år ago

Solved


Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

mer än 2 år ago

Solved


Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

mer än 2 år ago

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