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Efthymios Prapas


Last seen: 1年以上 前 |  2021 年からアクティブ

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統計

  • CUP Challenge Master
  • Introduction to MATLAB Master
  • Community Group Solver
  • Solver

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

2年以上 前

解決済み


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...

2年以上 前

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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;...

2年以上 前

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Converts numbers into characters
Converts numbers into characters

2年以上 前

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

2年以上 前

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

2年以上 前

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to the 2 all elements
to the 2 all elements

2年以上 前

解決済み


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

2年以上 前

解決済み


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

2年以上 前

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

2年以上 前

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Draw a '0' in a one matrix!

2年以上 前

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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. ...

2年以上 前

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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 ...

2年以上 前

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

2年以上 前

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

2年以上 前

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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 ...

2年以上 前

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

2年以上 前

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

2年以上 前

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

2年以上 前

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

2年以上 前

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

2年以上 前

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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...

2年以上 前

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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 ...

2年以上 前

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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...

2年以上 前

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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.

2年以上 前

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

2年以上 前

解決済み


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...

2年以上 前

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(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...

2年以上 前

解決済み


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...

2年以上 前

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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...

2年以上 前

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