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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

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Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

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Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

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Natural numbers in string form

Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

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Convert a numerical matrix into a cell array of strings

Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

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Create a cell array out of a struct

Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

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Only once: cleaning up your columns

We have a logical array (with ones and zeroes). It is simple: after processing every column may only contain a single true value...

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Replace multiples of 5 with NaN

It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

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Find the Best Hotels

Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

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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:...

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Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

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Matlab Basics II - Max & Index of Max

Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

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Matlab Basics II - Extract last 3 elements of a vector

Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

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Area of a Square

Given the length x of the side of a regular square, find the area of the square, A.

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Try 1.5.4: Celsius to Fahrenheit

Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

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Matlab Basics - Absolute Value

Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]

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Compute a dot product of two vectors x and y

x and y are input vectors, d is a number and contains their dot product

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radius of a spherical planet

You just measured its surface area, that is the input.

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Vector creation using colon operator

Create a vector y containing n uniformly spaced values between a and b, with a < b. Use the colon (:) operator.

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Insert zeros into vector

Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

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