Community Profile # CXD

### TJU

Last seen: Today Active since 2022

sqrt6661661161

Spoken Languages:
English
Professional Interests:
Mathematics and Optimization

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Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

2 días ago

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Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

3 días ago

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angle in regular polygon
Make a function which returns measure of interior angle in x-side regular polygon. x is as input. Please pay attention, that 1 ...

3 días ago

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Which coins to give
I was in shop today. I admired, how shop assistant had to think, which coins to give me. The task is we have a vector v=[0.5 0....

3 días ago

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

3 días ago

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

3 días ago

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The sum of individual numbers...
Well this one is taking a number and then summing the individual parts till you reach a value of 1, 2, 3, 4, 5, 6, 7, 8, 9, or 0...

3 días ago

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Count the peaceful queens
In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such tha...

3 días ago

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Sunday bonus
Submit a solution on any Sunday and you will get 10 points. Only for MATLAB fans!

3 días ago

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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.

21 días ago

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04 - Scalar Equations 1
Define the variable a: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> Use this to calculate x: <<http://samle.dk/STTBD...

21 días ago

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Matlab Basics II - Log and natural log
Write a function that calculates the difference between the log and natural log of a vector, to two decimal places example: ...

21 días ago

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Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

21 días ago

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Sum of digits of powers of 2
Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

21 días ago

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Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

25 días ago

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Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

25 días ago

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03 - Matrix Variables 5
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3e.png>>

25 días ago

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Product of Array
Given an array of numbers. Get the product of the array.

30 días ago

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Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

30 días ago

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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

30 días ago

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Solve equation numerically
y'=y In order to solve equation using computer, numerical analysis are needed. 1st order Euler's method is one of the metho...

30 días ago

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Calculate some equation
Using given inputs x and z, make two outputs that are y1 = (xz)/(x/z)^2 + 14x^2 - 0.8z^2 y2 = x^z - z^x + (x/z)^2 - (z/x...

30 días ago

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Skip by a multiple
Given an integer create an array of its multiples. Array must have a length of 15

30 días ago

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Convert yards to feet
The goal of this script is to convert a value given in yards to feet.

30 días ago

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Negative Infinity
Round the given array a towards negative infinity.

30 días ago

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What percentage?
Calculate the output c as the percentage of a on b for given a and b.

30 días ago

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Set defaults
Write a function that computes the volume of a cube. The function should be able to accept three inputs: the length, width, and...

30 días ago

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Change the sign
Given a matrix x, return one with each diagonal element replaced by its absolute value and the largest element in absolute value...

alrededor de 1 mes ago

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Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

alrededor de 1 mes ago

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create a circulant matrix
create a circulant matrix

alrededor de 1 mes ago