414 total contributions since 2017

Audio Engineer @Sony

Solved

middleAsColumn: Return all but first and last element as a column vector

Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

environ 2 mois ago

Solved

We love vectorized solutions. Problem 1 : remove the row average.

Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

environ 2 mois ago

Solved

Find out sum and carry of Binary adder

Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

environ 2 mois ago

Solved

Convert given decimal number to binary number.

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

environ 2 mois ago

Solved

Vector creation

Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

environ 2 mois ago

Solved

Flip the vector from right to left

Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

environ 2 mois ago

Solved

Summing Digits within Text

Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

7 mois ago

Solved

Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

7 mois ago

Solved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

7 mois ago

Solved

Alphabetize by last name

Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

7 mois ago

Solved

Read a column of numbers and interpolate missing data

Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

7 mois ago

Answered

I'm trying to create Random Music Player and could use help!

% clear all; close all; clc MusicList = dir('*.m4a'); while(1) r = randi(length(MusicList),1,1) [a, Fs] = audioread(...

I'm trying to create Random Music Player and could use help!

% clear all; close all; clc MusicList = dir('*.m4a'); while(1) r = randi(length(MusicList),1,1) [a, Fs] = audioread(...

10 mois ago | 0

| accepted

Answered

how can i avoid return to zero from my plot

Bitsnum = 11; dataIn = randi([0 1],1,Bitsnum); i = 1; count = 0; t = 0:.01:length(dataIn); for j =1:length(t) if t(j) ...

how can i avoid return to zero from my plot

Bitsnum = 11; dataIn = randi([0 1],1,Bitsnum); i = 1; count = 0; t = 0:.01:length(dataIn); for j =1:length(t) if t(j) ...

10 mois ago | 1

| accepted

Answered

Matlab Text file I/o

charnum = char_counter('simple.txt','a') function charnum = char_counter(a,b); f = fopen(a); c = textscan(f,'%s'); charnum...

Matlab Text file I/o

charnum = char_counter('simple.txt','a') function charnum = char_counter(a,b); f = fopen(a); c = textscan(f,'%s'); charnum...

10 mois ago | 0

Answered

Generate an array with random numbers from M to N using the command randi

function [R1, R2, c] = random_test(r, s, t) if length(r)==1 r(2) = r; r(1) = 1; end rng('default'); R1=randi([r(1)...

Generate an array with random numbers from M to N using the command randi

function [R1, R2, c] = random_test(r, s, t) if length(r)==1 r(2) = r; r(1) = 1; end rng('default'); R1=randi([r(1)...

10 mois ago | 1

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...

11 mois 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) ...

11 mois 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...

11 mois 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

11 mois 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

11 mois 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...

11 mois ago

Solved

MATLAB Basic: rounding IV

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

11 mois ago

Solved

MATLAB Basic: rounding III

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

11 mois ago

Solved

MATLAB Basic: rounding II

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

11 mois ago

Solved

MATLAB Basic: rounding

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

11 mois ago

Solved

Sums with Excluded Digits

Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

11 mois ago

Solved

Trimming Spaces

Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

11 mois ago

Solved

Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

11 mois 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 ...

11 mois ago