Risolto


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

oltre 10 anni fa

Risolto


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

oltre 10 anni fa

Risolto


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

oltre 10 anni fa

Risolto


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

oltre 10 anni fa

Risolto


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

oltre 10 anni fa

Risolto


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

oltre 10 anni fa

Risolto


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

oltre 10 anni fa

Risolto


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

oltre 10 anni fa

Risolto


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

oltre 10 anni fa

Risolto


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

oltre 10 anni fa

Risolto


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

oltre 10 anni fa

Risolto


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

oltre 10 anni fa

Risolto


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

oltre 10 anni fa

Risolto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

oltre 10 anni fa

Risolto


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

oltre 10 anni fa

Risolto


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

oltre 10 anni fa

Risolto


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

oltre 10 anni fa

Risolto


Is my wife right?
Regardless of input, output the string 'yes'.

oltre 10 anni fa

Risolto


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

oltre 10 anni fa

Risolto


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

oltre 10 anni fa

Risolto


Add two numbers
Given a and b, return the sum a+b in c.

oltre 10 anni fa

Risolto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

oltre 10 anni fa

Risolto


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

oltre 10 anni fa

Risolto


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

oltre 10 anni fa

Domanda


How to detect edge or contours for Ultrasound Images?
I am working with ultrasound images. The region of interest is detected and i need the edge/contours for lesions. I tried some g...

oltre 12 anni fa | 1 risposta | 0

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risposta

Domanda


How to calculate chain code and how to get the boundary as an np-by-2 array (it's required for the chain code)?
I am trying to determine chain code for an image. I have tried Freeman chain code ( <http://www.mathworks.com/matlabcentral/file...

quasi 13 anni fa | 1 risposta | 0

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risposta

Domanda


How to calculate the chain code of an image?
I am trying to calculate the chain code of an image. Actually I am working on character recognition. I tried to implement the co...

quasi 13 anni fa | 1 risposta | 0

1

risposta

Domanda


How can i calculate the signal to noise ratio of a signal without knowing signal or noise power?
I have a noisy signal and i know the sampling frequency, amplitude and length. But i don't have the signal or noise power. Is th...

circa 13 anni fa | 3 risposte | 0

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