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**Content Feed**

Typecasting higher dimension matrices

If you know a little bit about your 2D array in advance, then try this - seemed to work for me Here I know my columns are 4*N ...

1 year ago | 0

Obtaining all the indices of matached elements of one array in another

If your version of MATLAB isn't too old, look up help on intersect, to wit; [dat, idxa, idxb] = intersect(a,b,'stable')

2 years ago | 0

Submitted

Replacement for CLEAR to avoid destructive behavior

this clear.m ensures you'll never accidentally type "clear" or "clear all" and wipe your workspace.

2 years ago | 1 download |

How to set legend marker size

Best way: see Stackoverflow question 2871747 % thanks to , Luis Mendo and Lea [~, objh] = legend({'one plot', 'another plot'...

2 years ago | 4

Question

Why is text() unable to orient output in 3 axes?

text(x,y,z,string,'rotation',theta) is only capable of rotating about one axis, and even more annoyingly the text rotates on its...

4 years ago | 1 answer | 0

### 1

answerSubmitted

clplot( x, y, cutval, cols, varargin )

Creates a line plot whose color depends on which 'slice' of the y-range the y-value falls into.

6 years ago | 1 download |

Question

Why isn't strfind written to return a value in all cases?

A very common programming question (e.g. <http://www.mathworks.com/matlabcentral/answers/167892-why-does-the-absolutely-not-work...

6 years ago | 1 answer | 0

### 1

answerSolved

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...

6 years ago

Solved

Matrix of almost all zeros, except for main diagonal

Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

6 years ago

Solved

Knight's Tour Checker

Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

6 years ago

Solved

Create an array (n,n) where only diagonal elements are '1' and others are '0'

Create an array (n,n) where only diagonal elements are '1' and others are '0' EX: n = 3; then Resultant array would be [ 1 0...

6 years ago

Solved

Sum my indices

Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

6 years ago

Solved

Small aircraft weight limit

Write an if-else statement that evaluates to true if the sum of passengerWeight and cargoWeight is less than or equal maxWeight....

6 years ago

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Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

6 years 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...

6 years ago

Solved

Writing a while loop

Write a while loop that continues to increment userValue by 5 until userValue is less than 0.

6 years ago

Solved

Determine the full width at half max

Determine the full width at half max of a curve. The full width at half maximum (FWHM) is a parameter which is used for desc...

6 years ago

Solved

What's the missing interior angle?

I'm talking about polygons... The sum of the interior angles of a triangle is 180 degrees. The sum of the interior angles of a...

6 years ago

Solved

While loop: Summation

Write a while loop that assigns summedValue with the sum of all values from 1 to userNum. Assume userNum is always greater than ...

6 years ago

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

6 years ago

Solved

Find the two most distant points

Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

6 years ago

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Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

6 years ago

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The Goldbach Conjecture, Part 2

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

6 years ago

Submitted

fundy(x)

provides values for many fundamental physical constants

6 years ago | 1 download |

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

6 years 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...

6 years ago

Solved

Making change

Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

6 years ago

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

6 years ago