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Word Distance - Sum

Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...

10 hours ago

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Split bread like the Pharaohs - Egyptian fractions and greedy algorithm

How would you split 5 loaves of bread among 8 people in all fairness? Get a hint from the Pharaohs. 5/8 = 4/8 + 1/8 , i.e. each ...

10 hours ago

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Additive persistence

Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

11 hours ago

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Converting numbers back from extended form

Thanks for all the help you guys gave me on writing out the numbers in extended form in <http://www.mathworks.com/matlabcentral/...

11 hours ago

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Numbers in extended form

Shhhhhhh. Don't tell my daddy, but I'm borrowing his Cody account so all of you very smart people can help me out. I just star...

11 hours ago

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Ripping numbers apart!

So you have to "rip" a number apart into individual digits... The end output is a cell. That is if: x = 12345678 o...

12 hours ago

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Decode a simplified barcode

Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

12 hours ago

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Make a simplified barcode

Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

12 hours ago

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Reverse Calculator

Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

12 hours ago

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Sums of Multiple Pairs of Triangular Numbers

This is a follow-up to <https://www.mathworks.com/matlabcentral/cody/problems/44289 Problem 44289> - Find two triangular numbers...

12 hours ago

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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...

13 hours ago

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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) ...

14 hours ago

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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...

14 hours ago

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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

14 hours ago

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Matlab Basics - Rounding II

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

14 hours ago

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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...

14 hours ago

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MATLAB Basic: rounding IV

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

14 hours ago

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MATLAB Basic: rounding III

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

14 hours ago

Solved

MATLAB Basic: rounding II

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

14 hours ago

Answered

Matlab less than comparison

The correct way should be: cA(i+1,:) = max(cA(i+1,:), NC); or idx = cA(i+1,:) <NC; cA(i+1, idx)=NC;

Matlab less than comparison

The correct way should be: cA(i+1,:) = max(cA(i+1,:), NC); or idx = cA(i+1,:) <NC; cA(i+1, idx)=NC;

20 hours ago | 0

Answered

How to get 2d slices from a 3D image.

From 'doc slice': [X,Y,Z] = meshgrid(-2:.2:2); V = X.*exp(-X.^2-Y.^2-Z.^2); % replace this with your 3D data xslice = [-...

How to get 2d slices from a 3D image.

From 'doc slice': [X,Y,Z] = meshgrid(-2:.2:2); V = X.*exp(-X.^2-Y.^2-Z.^2); % replace this with your 3D data xslice = [-...

21 hours ago | 0

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7 segment LED display

Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (see Wikipedia: <http://...

21 hours ago

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Convert Roman to Arabic Numerals

Based upon what I see on tv and at the movies, the use of Roman numerals indicates something is important or sophisticated (e.g....

21 hours ago

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Math with Roman Numerals

Given a function R within (+,-,*,/) and two Roman numerals a & b, compute aRb in Roman numerals.

22 hours ago

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Test if a Number is a Palindrome without using any String Operations

*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

22 hours ago

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Increment a number, given its digits

Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

22 hours ago

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Must be in the front row...

You are given a matrix followed by a single number. Your object is to write a script that will shift the matrix around so that ...

22 hours ago

Answered

Could anyone help me how to change the values of the matrix to a desired range.

Something like this: N = 10 X = zeros(N); X(1:2,:) = 1; X(3:4, 3:end)=2; X(5:6, 5:end)=3; X(7, 7:end)=5; X(8, 9:end)=6; ...

Could anyone help me how to change the values of the matrix to a desired range.

Something like this: N = 10 X = zeros(N); X(1:2,:) = 1; X(3:4, 3:end)=2; X(5:6, 5:end)=3; X(7, 7:end)=5; X(8, 9:end)=6; ...

1 day ago | 0

Solved

Number of 1s in the Binary Representation of a Number

*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

2 days ago