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Divya Ratna


Last seen: presque 2 ans il y a |  Actif depuis 2020

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How can blur an image
i figured it out by myself... i know its too lengthy.. function out = blur (img, w) temp = img; s = size(img); if s(1) > w ...

plus de 4 ans il y a | 0

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how to find the element which is greater than or equal to its row and smaller or equal to its column in a matrix
i think anyone should try their own first rather than looking for answers in the community. my attempt was this. this passes a...

plus de 4 ans il y a | 1

A résolu


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

presque 5 ans il y a

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

presque 5 ans il y a

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

presque 5 ans il y a

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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

presque 5 ans il y a

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

presque 5 ans il y a

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

presque 5 ans il y a

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

presque 5 ans il y a

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

presque 5 ans il y a

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

presque 5 ans il y a

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

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Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

presque 5 ans il y a

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Max of a Vector
Write a function to return the max of a vector

presque 5 ans il y a

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Solving Quadratic Equations (Version 1)
Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

presque 5 ans il y a

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Negative matrix
Change the sign of all elements in given matrix.

presque 5 ans il y a

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Equal to their cube
Tell me three real numbers that are equal to their cubes?

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

presque 5 ans il y a

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Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.

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Times 3 problem
When you enter the number, it should return the number multiplied by 3

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

presque 5 ans il y a

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

presque 5 ans il y a

A résolu


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

presque 5 ans il y a

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

presque 5 ans il y a

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

presque 5 ans il y a

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Return area of square
Side of square=input=a Area=output=b

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

presque 5 ans il y a

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