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Vectorized iterative summation of matrices
What is wrong with using a loop? Why do you think it is going to be slower? a=eye(10); a(1,1)=0; a(end,end)=0; b = [1 2 3; 4...
Vectorized iterative summation of matrices
What is wrong with using a loop? Why do you think it is going to be slower? a=eye(10); a(1,1)=0; a(end,end)=0; b = [1 2 3; 4...
4 years ago | 0
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Two fractions, one sum
Given a positive number x, write a MATLAB script that will tell you how many ways that the reciprocal of that number can be writ...
4 years ago
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The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...
4 years ago
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Count the Number of Undirected Cycles in a Graph
Given a symmetric adjacency matrix, determine the number of unique *undirected* cycles. For example, the graph represented by...
4 years ago
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Count the Number of Directed Cycles in a Graph
Given an asymmetric adjacency matrix, determine the number of unique *directed* cycles. For example, the graph represented by...
4 years ago
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Galois Counter Mode (GCM) Block Cipher using AES
Encrypt/Decrypt a plaintext message using AES GCM.
4 years ago | 1 download |
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find the relation...
if given input is 1, output is 4. if input is 55, output is 3136.
4 years ago
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Find the Connecting Path
Here is a matrix x x = [7 6 8 5 7 2 4 5 1 3 0 0 0 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 5 5 5 5 5 0 0 0 0 0 0...
4 years ago
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Return the sequence element III
This problem is related to <http://www.mathworks.com/matlabcentral/cody/problems/42832-segmented-number-sequence Problem 42832>....
4 years ago
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Segmented number sequence
Given a positive integer, n, and a row vector, x, of positive integers, return a row vector, v, which is a sequence of length n ...
4 years ago
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Number construction I
Given a positive integer, n, return a, b, c and d, such that 1. n = a*sqrt(b)+c*sqrt(d) 2. a, b, c and d are all positive ...
4 years ago
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Number construction III
Given a positive integer, n, return a, b and c, such that 1. n = a^1.5+b^2.5+c^3.5 2. a, b and c are all positive integers...
4 years ago
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Return the sequence element II
Given positive integers x and n, return a positive integer, y, which is the nth term in the <https://en.wikipedia.org/wiki/Juggl...
4 years ago
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Flip the diagonal values
Write a program that flip the elements of main diagonal , upper and lower diagonal values of a sqare matrix. For example if a ...
4 years ago
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Get factory-defined property values
Given a property name (e.g. 'AxesUnits', 'LineMarkerSize', 'UicontrolBackgroundColor'), return the factory-defined value for tha...
4 years ago
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Find the coefficients for numerical integration using Simpson's rule
For using numerical integration using Simpson's rule, we need some coefficients to be determined first. Suppose the n is the nu...
4 years ago
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I need the commands to do this questions please
x=[ 1.6 2 2.5 3.2 4 4.5]; f=[ 2 8 14 15 8 2]; F=spline(x,f,2.8);
I need the commands to do this questions please
x=[ 1.6 2 2.5 3.2 4 4.5]; f=[ 2 8 14 15 8 2]; F=spline(x,f,2.8);
4 years ago | 1
| accepted
Answered
How to convert 1x64 uint64 to 1x1 array ?
a=randi(8,64,1)-1; n=dec2bin(a,3);
How to convert 1x64 uint64 to 1x1 array ?
a=randi(8,64,1)-1; n=dec2bin(a,3);
4 years ago | 0
Answered
Adding a new column of differences to a table
[T array2table([0,0;diff(T{:,{'B','C'}})],'VariableNames',{'diffB','diffC'})];
Adding a new column of differences to a table
[T array2table([0,0;diff(T{:,{'B','C'}})],'VariableNames',{'diffB','diffC'})];
4 years ago | 0
| accepted
Solved
currency converter
given a rate of exchange calculate the equivalent units of 100 USD
4 years ago
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sum of ASCII
Given a string x, return the sum of all ASCII numbers of all characters. for example, if x='lala' ('l'-> 108, 'a'->97) then y...
4 years ago
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Check if two matrices are permutations of each other
Your function should return true for the elements of one matrix is the permutation of the other matrix: x = [1 2 3; 4 5 6; ...
4 years ago
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Reverse digits of a number
Reverse digits of a number. For example, return *321* for the input *123* . The left-hand zeros can be discarded. For exam...
4 years ago
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double integration of torsional function
syms x h y; eqn=x^3-h*x^2-3*x*y^2+4*h^3/27-h*y^2; I=4*int(int(eqn,y,0,(2*sqrt(3)*h-3*sqrt(3)*x)/9),x,0,h/3);
double integration of torsional function
syms x h y; eqn=x^3-h*x^2-3*x*y^2+4*h^3/27-h*y^2; I=4*int(int(eqn,y,0,(2*sqrt(3)*h-3*sqrt(3)*x)/9),x,0,h/3);
4 years ago | 1
| accepted
Solved
Sales Prediction
Miss X is a shopaholic person and every weekend she goes to a mall. There are total of 10 shops. Miss X starts from shop #1 and ...
4 years ago
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Back to basics - array operations
Without performing actual arithmetic operations on arrays, return feasibility of operation as true or false. True if given opera...
4 years ago