145 total contributions since 2018

Like to code, but just as a hobby..

Answered

How do I solve an equation with a vector term?

The line eqn1 = 50000 == u./q.*(m_0-q.*t).*log(m_0-q.*t)+u.*(log(m_0)+1).*t-0.5.*g.*t.^2-((m_0.*u)./q).*log(m_0); will define...

How do I solve an equation with a vector term?

The line eqn1 = 50000 == u./q.*(m_0-q.*t).*log(m_0-q.*t)+u.*(log(m_0)+1).*t-0.5.*g.*t.^2-((m_0.*u)./q).*log(m_0); will define...

2 days ago | 0

Answered

integral definite, what is the code to implement it?

syms r expr= 2*pi*rho*(omega- W/2)*W*r^3; F = int(expr,a,b) ,it computes the definite integral of expr from a to b.

integral definite, what is the code to implement it?

syms r expr= 2*pi*rho*(omega- W/2)*W*r^3; F = int(expr,a,b) ,it computes the definite integral of expr from a to b.

2 months ago | 0

Solved

Simple equation: Annual salary

Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

3 months ago

Solved

Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

3 months ago

Solved

Pizza!

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

3 months ago

Solved

Fibonacci-Sum of Squares

Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

3 months ago

Solved

Test of Quiz

Answer the questions and write in vector. Only one answer is correct. The founder of fuzzy logic is 1a) D. Golberg 1b)...

3 months ago

Answered

Too many input arguments ?

The function fplot is used to plot functions. The input that you are providing are array elements so you could rather use plot(...

Too many input arguments ?

The function fplot is used to plot functions. The input that you are providing are array elements so you could rather use plot(...

3 months ago | 0

Answered

Continue for nested loops

You could try out this for jj = 1:5 f(x)=... for ii = 15+j:20 f(x)=... continue ...

Continue for nested loops

You could try out this for jj = 1:5 f(x)=... for ii = 15+j:20 f(x)=... continue ...

4 months ago | 0

Solved

Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

4 months ago

Solved

Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

4 months ago

Solved

Make roundn function

Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

4 months ago

Solved

Rounding off numbers to n decimals

Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

4 months ago

Solved

Matlab Basics - Rounding II

Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

4 months ago

Answered

how can I plot particular rows of a matrix?

You could first start by reading the columns into an array data=readtable('Price.txt'); prices=data(:,3:30); n=5; %in order t...

how can I plot particular rows of a matrix?

You could first start by reading the columns into an array data=readtable('Price.txt'); prices=data(:,3:30); n=5; %in order t...

4 months ago | 0

| accepted

Solved

MATLAB Basic: rounding IV

Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

4 months ago

Solved

MATLAB Basic: rounding III

Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

4 months ago

Solved

Check that number is whole number

Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

4 months ago

Solved

MATLAB Basic: rounding II

Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

4 months ago

Solved

MATLAB Basic: rounding

Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

4 months ago

Solved

Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

4 months ago

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

4 months ago

Solved

Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

4 months ago

Solved

Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

4 months ago

Solved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

4 months ago

Solved

Return the first and last character of a string

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

4 months ago

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

4 months ago