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**Content Feed**

Question

How to solve 2nd order BVP using Chebyshev Spectral Method?

Hi, I am tring to solve the following BVP using Chebshev Spectral Method: with boundary conditions: I am following the cod...

2 månader ago | 1 answer | 0

### 1

answerQuestion

How to find the order of the power of A matrix?

Hi, I want to calculate the order of the power matrix A. Here order doesn't mean for rows into columns but the power n of the ma...

3 månader ago | 2 answers | 0

### 2

answersHow can I solve this?

% Solve the system of equations starting at the point [0,0,0]. % PL = x(1); c = x(2); k = x(3); % Initial guess is [0,0,0], yo...

7 månader ago | 0

Question

Problem in implementing Echelon Form and Solve System of Linear Equations

Here is my code: A = [3 2 1;-4 5 7;1 0 -9]; b = [1;4;5]; % Solving System of Linear Equations by using built-in command for i...

7 månader ago | 1 answer | 0

### 1

answerSolved

Convert given decimal number to binary number.

Convert given decimal number to binary number. Example x=10, then answer must be 1010.

ungefär ett år ago

Solved

Get all prime factors

List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

ungefär ett år ago

Question

How to do manual operation of cross multiplication or substitution?

If syms A B x y = A*x^2 + B*x; dy = diff(y) d2y = diff(dy) then how to get where d2y is the second derivation; using subs o...

mer än ett år ago | 1 answer | 0

### 1

answerSolved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

mer än ett år ago

Question

Optimize legend command?

Hi, I am struggling with LaTeX in legend, so far I wrote legend like: legendStrings = string(n); l = legend(legendStrings); s...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

What's the problem with this simple anonymous function?

Here's an simple code: clear all; clc; close all; n = 1:3; for i = 1:numel(n) %numel is used if someother time I'll use negat...

mer än ett år ago | 1 answer | 0

### 1

answerSolved

Pizza!

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

mer än ett år ago

Question

How to adjust initial condition to nondimensionalization of coupled ODE?

Here is the code for dimenional and non-dimensional form of coupled ODEs using ode45, but both results are not agreeing. Please ...

nästan 2 år ago | 0 answers | 0

### 0

answersQuestion

ODE solution using Fourier series

Hello, I am trying to solve first order ode () using Fourier Series. I wrote the code, but I was doing something, please idetif...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Calling Euler Method to solve Shooting Method

Hi, I am trying to solve a BVP: y''(x) +5y'(x)+4y(x) = 1 with boundary conditions y(0) = 0 and y(1)=1 using shooting method. ...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

How to correct the regenerated plot of given analytical solution of ODE?

for for The analytical solution for this ODE is given belown and written as MATLAB in code routine: for t = -log(1-a)...

ungefär 2 år ago | 0 answers | 0

### 0

answersQuestion

Addition of numbers in array as string

I am following these lines of code, but generating error when I do: x = randi([0,9],1,20); y = randi([0,9],1,20); x_new = st...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Addition of numbers in array

Lets' say I have 2 vectors: x = [7 4 6]; y = [1 4 4]; But these are not just vector consider them as A number, i.e., 746 and ...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Plot with smaller variation in input argument under user defined function?

I am stuck with a smaller concept that How to Plot with smaller variation in input argument under user defined function? For ex...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

How to save last three values from for loop?

I just got stuck to save the last three values of r from the for loop, please help me in this regard. yl = 1; rl = [0, yl] ; ...

mer än 2 år ago | 1 answer | 0

### 1

answerSolved

Determine the square root

Determine the square root of the value the user has entered, n.

nästan 3 år ago

Solved

Sum of the Multiplication of Vectors

Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

nästan 3 år ago

Solved

Given area find sides

In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...

nästan 3 år ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

nästan 3 år 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:...

ungefär 3 år ago

Problem

Find the remainder with the factorial of PRIMES?

* Take a number greater than or equal to 2 and take its primes. e.g. 6 and its primes are 2 3 5 * calculate the factorial of i...

ungefär 3 år ago | 0 | 9 solvers

Solved

Project Euler: Problem 10, Sum of Primes

The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

ungefär 3 år ago

Solved

Mysterious digits operation (easy)

What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

ungefär 3 år ago

Solved

Find nearest prime number less than input number

Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

ungefär 3 år ago

Solved

Replace Vector Elements

Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

ungefär 3 år ago

Solved

Reverse the elements of an array

Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

ungefär 3 år ago