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Rahul Kalampattel


286 total contributions since 2013

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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,...

circa 2 anni 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)) ...

circa 2 anni 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 &...

circa 2 anni ago

Solved


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...

circa 2 anni 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...

circa 2 anni ago

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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...

circa 2 anni 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. ...

circa 2 anni 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...

circa 2 anni 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 &#...

circa 2 anni 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...

circa 2 anni 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...

circa 2 anni ago

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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...

circa 2 anni 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 ...

circa 2 anni 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...

circa 2 anni 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...

oltre 2 anni 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...

oltre 2 anni 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: '; ...

oltre 2 anni ago | 0

| accepted

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...

oltre 2 anni ago | 2

| 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)...

oltre 2 anni ago | 0

| accepted

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 =...

oltre 2 anni 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...

oltre 2 anni 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'...

oltre 2 anni ago | 4

| accepted

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...

oltre 2 anni 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...

oltre 2 anni 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...

oltre 2 anni 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

oltre 2 anni 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.

oltre 2 anni 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...

oltre 2 anni 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. ...

oltre 2 anni 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...

oltre 2 anni ago

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