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# Khaled Hamed

##### Last seen: 2 giorni ago
827 total contributions since 2009

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How can I automatically let Matlab input the file in sequence?
for i=1:1000 [y,Fs] = audioread(['sample' num2str(i) '.wav']); spectrogram(y,'yaxis') saveas(gcf,['sample' num...

3 mesi ago | 0

How to calculate the transfer function for a 16 input system?
It depends on what type of Transfer Function you want to use. For example, if you want to use an ARX model (I am using random i...

3 mesi ago | 0

Regarding concatenated error.
data = cell2mat(data1')

3 mesi ago | 0

| accepted

Question

Can You Explain This Weird Behavior
Weird Behavior I came across some weird behavior while writing an m-file. I have managed to isolate the problem as follows: ...

circa 5 anni ago | 2 answers | 1

### 2

Solved

Bleed non-zeros to the right
What a title! Yet, it says what I mean. You get a vector, some values and a lot of zeroes. Every zero is replaced by the firs...

circa 7 anni ago

Solved

Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

circa 7 anni ago

Solved

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

oltre 7 anni ago

Solved

CARDS PROBLEM
Read my mind and tell me the card number that I have now in my hands.

oltre 7 anni ago

Solved

Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

oltre 7 anni ago

Solved

factor to number
e.g. input number x=10 then it should produce y=25 or x=100 then y should be 2255. write a function or code to generate the same...

oltre 7 anni ago

Solved

Make a vector of prime numbers
Input(n) - length of vector with prime numbers Output(v) - vector of prime numbers Example: * n=1; v=2 * n=3; v=[2 3 5...

oltre 7 anni ago

Solved

Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

oltre 7 anni ago

Solved

The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

oltre 7 anni ago

Solved

Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

oltre 7 anni ago

Solved

How many digits are there?
Input(s) - any string Output(n) - number of digits within string s

oltre 7 anni ago

Solved

Calculate the integral of the polynomial
for e.g. in = [3 2 1] out = [1 1 1 0]

oltre 7 anni ago

Solved

calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

oltre 7 anni ago

Solved

Number of odd and even elements within matrix
Input(m) - any matrix with integers Output(n) - n(1)=number of odd elements, n(2)=number of even elements Example: * m=...

oltre 7 anni ago

Solved

Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

oltre 7 anni ago

Solved

find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

oltre 7 anni ago

Solved

Find the minimum element of the matrix
Example: If x = [3 9; 5 2] then y = 2

oltre 7 anni ago

Solved

find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

oltre 7 anni ago

Solved

Temperature conversion
Convert temperature in degrees Celsius (C) to temperature in degrees Kelvin (K). Assume your answer is rounded to the nearest Ke...

oltre 7 anni ago

Solved

TOUGHEST PROBLEM EVER?????????????
Need Only Response!!!!!!!!!!!!!!!!!

oltre 7 anni ago

Solved

Can I make a right triangle ?
Input(a) - is vector with any amount of values. Interpreted as legths of sides. Output(b): * Is true if there are any 3 va...

oltre 7 anni ago

Solved

Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

oltre 7 anni ago

Solved

Vector of numbers divisible by 3
* Input(n) - any integer * Output(v) - vector with numbers divisible by 3(exept 0) starting from n to 0 Examples: * n=6...

oltre 7 anni ago

Solved

Return area of square
Side of square=input=a Area=output=b

oltre 7 anni ago

Solved

retwgre
bgreyerb

oltre 7 anni ago

Solved

gsdgtre
gfdbr

oltre 7 anni ago