Gatech AE
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Graduate Student For my (working) functions, I like to ask "Can it go faster?"
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Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product
etwa ein Monat vor
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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 ...
etwa ein Monat vor
Gelöst
Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?
4 Monate vor
Gelöst
Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?
4 Monate vor
Gelöst
Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?
4 Monate vor
Gelöst
Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?
4 Monate vor
Gelöst
Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?
4 Monate vor
Gelöst
Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?
4 Monate vor
Gelöst
Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?
4 Monate vor
Gelöst
Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...
4 Monate vor
Gelöst
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
4 Monate vor
Gelöst
Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...
4 Monate vor
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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.
4 Monate vor
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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...
4 Monate vor
Gelöst
Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
4 Monate vor
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03 - Matrix Variables 2
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3b.png>> A 9x9 matrix of zeros, but with the following v...
4 Monate vor
Gelöst
Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...
4 Monate vor
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First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
4 Monate vor
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Sum of squares
Given a number n, return the sum of squares of all integers from 1 to n.
4 Monate vor
Gelöst
nxn matrix with elements from 1:n^2
really simple once you see what the matrix is supposed to look like. i appreciate what seems to be a clever approach to solving ...
4 Monate vor
Gelöst
Primes for Large N: 2^30, System Memory Limit
This Challenge is to further improve the "primes" function for speed/memory usage to the Limit of Cody Memory. The Matlab fun...
4 Monate vor
Gelöst
QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a standard U.S. QWERTY keyboard and it...
6 Monate vor
Gelöst
Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...
6 Monate vor
Gelöst
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...
6 Monate vor
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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 h=...
6 Monate vor
Gelöst
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.
6 Monate vor
Gelöst
Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...
10 Monate vor
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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...
10 Monate vor