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TJU

Last seen: Today Active since 2022

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Mathematics and Optimization

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  • Matrix Manipulation II Master
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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

Solved


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

Solved


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

Solved


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

Solved


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

Solved


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

Solved


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

Solved


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

Solved


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

Solved


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

30 días ago

Solved


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

Solved


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

Solved


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

alrededor de 1 mes ago

Solved


create a circulant matrix
create a circulant matrix

alrededor de 1 mes ago

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