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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

約10年前

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Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

約10年前

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Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

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Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

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Min of a Matrix
Return the minimum value in the given matrix.

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Matrix FUN
Given a Matrix M, find out the number of elements of matrix that are divisible by 3. M = [1 2 3;4 5 6;7 8 9]; ou...

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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...

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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...

約10年前

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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...

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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 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...

約10年前

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

約10年前

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

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Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

約10年前

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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...

約10年前

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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...

約10年前

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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...

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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....

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Travel speed
Write an anonymous function to compute the Euclidean distance given two points (x1, y1) and (x2, y2). Use the following equation...

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replace empty matrices with '[]'
for example a=1;a(:,1)=[]; returns a = Empty matrix: 1-by-0 use this as the input,and the output should be '[]...

約10年前

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Find out of matrix transpose Complex conjugate
Find out of matrix transpose Complex conjugate A=[2 3+i;1 4+i] Then answer must be [2.0000 1.0000; ...

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~(*|/)
Return three quarters of n without using addition, subtraction, multiplication or division.

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Finding fourier transform of a given vector
Find the fourier transform of a given input vector for ex a=[1 2 3 4] then y=[ 10.0000 + 0.0000i -2.0000 +...

約10年前

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Find the area of a triangle
Given a triangle with a base b and height h, return the triangle area.

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Average Grade
Given a 1x5 vector presents the grades of a student on five tests. Calculate the average grade of that student.

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Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

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the number of inputs
Find the number of the inputs of the function. example y = theinputnumber(x,k); function called theinputnumber has 2 in...

約10年前

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Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

約10年前