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Umair Nadeem


RWTH Aachen University

22 total contributions since 2012

Professional Interests: Signal Processing, Satellite Positioning & Navigation, GNSS

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

6 years ago

Solved


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...

6 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 ...

6 years ago

Solved


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...

6 years ago

Solved


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

6 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...

6 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 ...

6 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:...

6 years ago

Solved


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

6 years ago

Solved


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

6 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...

6 years ago

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 ...

6 years ago

Answered
How do I remove background noise from a sound wave?
It would be easier if you could upload the noisy signal too. Save the variable y which supposedly has the noisy signal in a .mat...

6 years ago | 0

Answered
Graphing from txt file? - Homework
I get it what you are trying to achieve. Here is the code I developed after a little modification of yours. clear all; c...

6 years ago | 0

| accepted

Answered
Finding an approximation for cos(x) using for loops
The code has been developed using a more complex approach. You can simply implement the equation you gave above. Here is how to ...

6 years ago | 2

| accepted

Answered
How to save a data when something happens
you can use this index = 1; for i = 1:100 if SymbolValue >= 0.5 NumberofSymbolValue[index] = i; ...

6 years ago | 0

Answered
Matlab, Simulink, which block?
I dont exactly understand what you are trying to say. If you are asking on how to implement a PID then I would say that you woul...

6 years ago | 0

Answered
Can anybody please give me the CODE for the below question in matlab?. urgently
I tried it myself and I came up with this. I had to assume a few things but it works with what seems to be your problem. Hope it...

6 years ago | 0

Answered
Noise Cancellation Without reference signal
You can use a digital lowpass filter to reduce the high frequency noise peaks. Any filter would do the job but a Butterworth fil...

6 years ago | 0

Answered
How do I import a matrix into my matlab script code
You can put the .mat file in the same diectory as your m file and use load command to load the matrix in a variable. For ...

6 years ago | 0

| accepted

Question


How to read large data file in Matlab?
I have a GPS signal data values stored in a .dat file of 200 GB. The data is in the form of uint8. I want to read 16 GB of data ...

6 years ago | 2 answers | 0

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answers

Submitted


Implementation of 16-QAM algorithm in the presence of AWGN channel
This algorithm implements the 16-QAM modulation and demodulation in the presence of AWGN channel

6 years ago | 11 downloads |

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