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Perimeter of a quadrilateral

There are four cars starting at a point. The first car points north, the second one points east, the third one points south, an...

21 days ago

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Delete the column with all 0 !

Delete the column with all 0 data in a matrix(x). e.g. input x = 1 0 0 4 5 0 7 0 ...

21 days ago

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Determine whether the input is divisible by 3 as well as 5

If the input is divisible by 3 as well as 5 then the output should be 'true' otherwise 'false'

21 days ago

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Removing vibration!

There are [y] that vary with [x] but y including small useless vibration. x=1:10 y=[1.71 2.03 3.28 4.05 5.10 6.82 7.69 8.3...

21 days ago

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Add the even numbers

Add only the even numbers of x example: x = [1 2 3 4 5] the positive numbers are: 2 4, so their sum is 6

22 days ago

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Remove multiples of N

in the vector x remove all multiples of N. x = [1 2 3 4 5 6]; N = 2; Then y = [1 3 5];

22 days ago

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Approximate e

Given a and n, compute and approximation to f = a * e ^ n, without the use of exp, string operations, or floating point numbers....

22 days ago

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Refresh your system of equations

Given square matrix, and solution vector, find the values of the variables Example: xyz = [1 -1 2; 0 2 5; 4 0 -3]; //x-y+2...

22 days ago

Answered

Why is my fundamental frequency at the 15th harmonic order

why don't use the FTTSHIFT, this function Shift zero-frequency component to center of spectrum.

Why is my fundamental frequency at the 15th harmonic order

why don't use the FTTSHIFT, this function Shift zero-frequency component to center of spectrum.

23 days ago | 0

Solved

Form a square matrix from four square sub-matrices

Create a square matrix, y, from 4 square sub-matrices that will be constructed (x1, x2, x3, x4): y = [x1 x2; x3 x4]; ...

24 days ago

Solved

Calculate the square of a number (Super Easy)

The goal is to calculate the square (y) of a number (x). Good way to start MatLab for beginners.

24 days ago

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Pi Estimate 1

Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

24 days ago

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Find Missing Number

A little problem (inspired by CodeChef) for the coffee break. A friend give you an array of size n-1 integers and these int...

25 days ago

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Finding sum of even numbers in a vector.

Find the sum of all the even numbers present in the input vector x. Examples: Input x = [1 2 3 4] Output y is 6 Input...

26 days ago

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Duration of a trip in minutes

Input is a string which includes the duration of a trip. Convert the duration to minutes. For example if the duration of a t...

28 days ago

Solved

Save variables

a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

28 days ago

Solved

Display negative numbers

Given array,x, display all the negative numbers and display output as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

28 days ago

Solved

Stairs

Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

1 month ago

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Problem for beginners

Suppose that x is a column vector, with at least a length of 6. Delete the 2., 6., and the second last row. Example: X=[1;2;3...

1 month ago

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Problem for beginners

M is a nxm matrix. Swap the fist and the second last column with eachother. X=[1 2 3;4 5 6;7 8 9] Y=[2 1 3;5 4 6;8 7 9]

1 month ago

Solved

Characterize fluid flow in a pipe as to laminar or turbulent

In fluid mechanics, characterizing the flow in a pipe is essential to predicting its behavior. The flow pattern can either be la...

1 month ago

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Convert a temperature reading from Celsius to an unknown scale

Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

1 month ago

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Construcción de matrices a partir de vectores

Construye la matriz A=[1 2 2 1; 2 2 3 3;2 3 3 4; 1 3 4 4] utilizando los siguientes vectores. c=[1 2 3 4]; d=[2 3 4]; b...

1 month ago

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Young's modulus

Given a value of <http://en.wikipedia.org/wiki/Young_modulus Young's modulus> (Y) expressed on MegaPascal, convert it to the uni...

1 month ago

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Find the sum of all integers in a given matrix

Finding sum of all integers in a given matrix

1 month ago

Solved

Simple problem creating a function from an abstract specification.

MYSTERYFUNCTION3 This takes a vector of numbers v and computes a vector w such the w[i] is the average of v[i] and the previous...

1 month ago

Solved

Simple Matrix

Make the following matrix without typing it in one by one. [1 2 3; 2 4 6; 4 8 12] x=[1 2 3].

1 month ago

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Juego de posiciones

Crea una función que ordene vectores de tal manera que los primeros números sean negativos ordenados de menor a mayor. Y después...

1 month ago

Solved

Create a vector of the first n odd numbers

If n = 10, your program should return a vector y, where y = [1 3 5 7 9 11 13 15 17 19].

1 month ago