Rahul Kalampattel
Last seen: 6 mois ago
286 total contributions since 2013Rahul Kalampattel's Badges
3 of your answers have been accepted
Awarded to Rahul Kalampattel on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Rahul Kalampattel on 20 Jul 2017
Solve all the problems in R2016b Feature Challenge
Awarded to Rahul Kalampattel on 20 Feb 2017
15-year anniversary Scavenger Hunt finisher badge
Awarded to Rahul Kalampattel on 09 Nov 2016
Solve all the problems in CUP Challenge
Awarded to Rahul Kalampattel on 27 Sep 2014
Be the first to solve a problem
Awarded to Rahul Kalampattel on 24 Sep 2014
Create a problem
Awarded to Rahul Kalampattel on 24 Sep 2014
Comment on a problem or solution
Awarded to Rahul Kalampattel on 17 Feb 2013
Solve a problem for the first time
Awarded to Rahul Kalampattel on 15 Feb 2013
Solved
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,...
environ 3 ans 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)) ...
environ 3 ans ago
Solved
Predicting life and death of a memory-less light bulb
*💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 &...
environ 3 ans ago
Solved
A Simple Tide Gauge with MATLAB
*∿ ∿ ∿ ∿ ∿ ∿ ∿ ∿* You are standing in a few inches of sea water on a beach. You a...
environ 3 ans 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...
plus de 3 ans 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...
plus de 3 ans 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. ...
plus de 3 ans 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...
plus de 3 ans ago
Solved
Basic electricity in a dry situation
⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ &#...
plus de 3 ans ago
Solved
Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...
plus de 3 ans 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...
plus de 3 ans 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...
plus de 3 ans 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 ...
plus de 3 ans 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...
plus de 3 ans ago
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...
presque 4 ans ago | 0
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...
presque 4 ans ago | 0
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: '; ...
presque 4 ans ago | 0
| accepted
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...
presque 4 ans ago | 2
| accepted
How do I subtract from specific elements in a vector?
function [income cnt] = tickets( price, numTickets ) cnt = sum(numTickets); numTickets = numTickets - (numTickets>5)...
presque 4 ans ago | 0
| accepted
Problem plotting Möbius strip
Use |meshgrid| to generate matrices for both your parameters, rather than using vectors. u = linspace(0,2*pi,100); v =...
presque 4 ans ago | 2
| accepted
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...
presque 4 ans ago | 0
| accepted
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'...
presque 4 ans ago | 5
| accepted
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...
presque 4 ans ago | 1
| accepted
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...
presque 4 ans 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...
presque 4 ans 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
presque 4 ans 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.
presque 4 ans ago
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...
presque 4 ans ago | 0
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. ...
presque 4 ans ago | 0
| accepted
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...
presque 4 ans ago
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)