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Rahul Kalampattel


Active since 2013

Programming Languages:
Python, C++, MATLAB
Spoken Languages:
English

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Function composition - harder
Write a function that accepts an arbitrary number of function handles f_1, f_2, ..., f_n and returns the composition h. That is,...

6 years ago

Solved


Function composition
Write a function that accepts two function handles f and g and returns the composition h. That is, h = (f o g)(x) = f(g(x)) ...

6 years ago

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Predicting life and death of a memory-less light bulb
*&#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &...

6 years ago

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A Simple Tide Gauge with MATLAB
*&#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767* You are standing in a few inches of sea water on a beach. You a...

6 years ago

Solved


Van Eck's Sequence's nth member
Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...

6 years ago

Solved


5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

6 years ago

Solved


Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

6 years ago

Solved


Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

6 years ago

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Basic electricity in a dry situation
&#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#...

6 years ago

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Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

6 years ago

Solved


Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

6 years ago

Solved


Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

6 years ago

Solved


Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...

6 years ago

Solved


How to subtract?
* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...

6 years ago

Answered
I am running a for loop for my program. however, I want to run the for loop until i have 10 non-zero values in the matrix A.
The simplest solution would be to change the |for| loop to a |while| loop. Just calculate |c| at each iteration, and once |c==10...

7 years ago | 0

Answered
how can i plot these dsp signals?
I think what you have is correct, except in the last command you should be plotting |q| rather than |S| and |x|. Also if you wan...

7 years ago | 0

Answered
How do i solve this problem?
The syntax for a user prompt is |prompt = 'text'| rather than what you had. prompt = 'Please enter number of strips: '; ...

7 years ago | 0

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Answered
Matlab simple loop for different function variables (Finite Difference)
Something like this? Or did you want all the error terms in one 3D matrix? clc clearvars close all hVec = [0.0...

7 years ago | 3

| accepted

Answered
How do I subtract from specific elements in a vector?
function [income cnt] = tickets( price, numTickets ) cnt = sum(numTickets); numTickets = numTickets - (numTickets>5)...

7 years ago | 0

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Answered
Problem plotting Möbius strip
Use |meshgrid| to generate matrices for both your parameters, rather than using vectors. u = linspace(0,2*pi,100); v =...

7 years ago | 2

| accepted

Answered
display surface normal using quiver3
*1.* Use [U,V,W] = surfnorm(X,Y,Z); instead of [U,V,W] = surfnorm(Z); This will make sure that the |quiver3| v...

7 years ago | 0

| accepted

Answered
Does anyone know why not all of my streamlines complete themselves?
If you check out the <http://au.mathworks.com/help/matlab/ref/streamline.html documentation> for the |streamline| function, you'...

7 years ago | 5

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Answered
Either quiver3 or streamline work for me, but not both, for the same test data
Does this look like what you're expecting? <</matlabcentral/answers/uploaded_files/71280/quiver.jpg>> Edited code: qp...

7 years ago | 1

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Solved


Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

7 years ago

Solved


Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

7 years ago

Solved


Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

7 years ago

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

7 years ago

Answered
How to plot a bode graph
Have a look at the documentation for |<http://au.mathworks.com/help/matlab/ref/semilogx.html semilogx>| and see if it helps...

7 years ago | 0

Answered
What's wrong in this code? why is this not displaying whole matrix?and how to sum whole matrix?
You're overwriting the matrix |Cmd| every iteration because of the line |Cmd=zeros(M:D)|. Take it outside of both |for| loops. ...

7 years ago | 0

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Solved


Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

7 years ago

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