Solved

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...

9 years ago

Solved

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...

9 years ago

Solved

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

9 years ago

Solved

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:...

9 years ago

Solved

Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

9 years ago

Solved

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...

9 years ago

Solved

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.

9 years ago

Solved

Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

9 years ago

Solved

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...

9 years ago

Solved

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 ...

9 years ago

Solved

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 ...

9 years ago

Solved

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

9 years ago

Solved

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

9 years ago

Question

How many automatic extraction of region of Interest (ROI) (ROI in image) techniques exist?
I use a manual extraction method to extract a region of interest from an image, can someone give me a new automatic technique fo...

9 years ago | 1 answer | 0

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answer

Question

How can i threshold DFT Coefficients?
If i have for example this matrix X=[1 2 3;4 5 6;7 8 9]; and it's DFT transform matrix will be like that >> fft2(X)=[45.0000 + ...

9 years ago | 0 answers | 0

0

answers

Solved

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 ...

9 years ago

Solved

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...

9 years ago

Solved

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

9 years ago

Question

How to convert a GUI to an .exe application?
Hi, I want to make my GUI a standalone application.

10 years ago | 1 answer | 0

1

answer

Question

How to be my function added in MATLAB R2016b for example?
Hi, I have some functions, i want to add them to Matlab not in my own matlab toolbox, but to be accepted in new versions like ...

10 years ago | 2 answers | 0

2

answers

Question

How to apply a quantization step to a 2D transformed image?
Hi all of you, I need some help here, my problem is how can i use quantization to the result of that code below?,knowing that t...

10 years ago | 1 answer | 0

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answer

Answered
How can I generate this tyope of matrix as shows in the follow
This attached function can help you, b = spematrix(9) b = 0 1 1 0 1 1 0 1 1 1...

11 years ago | 0

Submitted

DICOM to any Image Format Converter
dcm2fmt.m converts dicom files into any image format

11 years ago | 3 downloads |

3.0 / 5

Answered
How can I convert a DICOM image to a jpeg image or bmp image?
yes, imwrite() work, but the image (.bmp) can't appear, X matrix before imwrite values are int16 so the range is not 0 to 255, s...

11 years ago | 0

Answered
use of rle in compression
Yes, it's responsible but not all time. for example here: X= 200 200 200 200 200 200 8 11 11 11 11 11 Y=rle(X) >> Y=200 6 8 ...

11 years ago | 0

Question

Can anybody add a function to new version of MATLAB from this web site or not?
I have a function which does not exist in the MATLAB R2014a version as example, and if I share it here in File Exchange can it b...

11 years ago | 3 answers | 0

3

answers

Submitted

A DWT based lossless gray Image Compression
a technique of gray image compression using the discrete wavelet transform is presented in this code

11 years ago | 1 download |

4.3 / 5

Answered
JPEG Image compression using Huffman encoding and decoding
Here in my code you can find the steps to compress it's not a Jpeg but it have the same idea and I use the Huffman coding, take ...

11 years ago | 0

Answered
How to extract the region of interest from the image????
Here you want to extract the region of interest from the image (still image) or what? If from image and it's a grayscal image ...

11 years ago | 0

Answered
how to calculate Mean Square Error and Peak Signal to Noide Ratio and compression ratio using SPIHT Image compression algorithm
You can find the answer here: <https://fr.mathworks.com/matlabcentral/answers/81048-mse-mean-square-error MSE and PSNR>

11 years ago | 0