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# Khaled Hamed

##### Last seen: 5 dagar 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...

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...

Regarding concatenated error.
data = cell2mat(data1')

| 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: ...

mer än 5 år 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...

ungefär 7 år ago

Solved

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

ungefär 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år 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=...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år 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]

mer än 7 år 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=...

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

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

mer än 7 år 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...

mer än 7 år ago

Solved

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

mer än 7 år 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...

mer än 7 år ago

Solved

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

mer än 7 år 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...

mer än 7 år ago

Solved

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

mer än 7 år ago

Solved

retwgre
bgreyerb

mer än 7 år ago

Solved

gsdgtre
gfdbr

mer än 7 år ago