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**Content Feed**

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,...

4 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)) ...

4 years ago

Solved

Predicting life and death of a memory-less light bulb

*💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 &...

4 years ago

Solved

A Simple Tide Gauge with MATLAB

*∿ ∿ ∿ ∿ ∿ ∿ ∿ ∿* You are standing in a few inches of sea water on a beach. You a...

4 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...

4 years 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...

4 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. ...

4 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...

4 years ago

Solved

Basic electricity in a dry situation

⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ &#...

4 years 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...

4 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...

4 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...

4 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 ...

4 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...

4 years 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...

4 years 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...

4 years 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: '; ...

4 years 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...

4 years 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)...

4 years 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 =...

4 years 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...

4 years 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'...

4 years 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...

4 years 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...

4 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...

4 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

4 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.

4 years 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...

4 years 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. ...

4 years 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...

4 years ago