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Convert String to Morse Code
Convert a given string to international <http://en.wikipedia.org/wiki/Morse_code Morse Code> * Strings will only have [A-z], ...

6 years ago

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Given an input string, generate a variable name out of it
Given an input string, generate a variable name out of it in easy to read format by a programmer. If the input string contai...

6 years ago

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Broken numlock key, oppps !
The numlock key on my computer is pressed and is now broken, so I cant press it to switch off the numlock mode. And hence I am n...

6 years ago

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Sales Prediction
Miss X is a shopaholic person and every weekend she goes to a mall. There are total of 10 shops. Miss X starts from shop #1 and ...

6 years ago

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Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

6 years ago

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Find supported functions
Given a function name, return true if that function is supported by the toolboxes that are installed with MATLAB on this machine...

6 years ago

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Continued fractions
Find a <http://en.wikipedia.org/wiki/Continued_fraction continued fraction> approximation of x.

6 years ago

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Special Relativity 101.
Special relativity states that the effective mass of an object varies as a function of its velocity. If *c* is the speed of ligh...

6 years ago

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0<=x<=pi?
Check whether the given angle is between zero and pi. Return logical true or false.

6 years ago

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Given a vector x, return vector y with all negative elements from the vector x.
Given a vector x, return vector y with all negative elements from the vector x if x has negative elements. Otherwise return 0. ...

6 years ago

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Check prime numbers
Let x, return 1 if x is a prime number, 0 otherwise e.g x = 7, return y =1; x = 6 return y = 0;

6 years ago

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Use of regexp
Given a string, containing several sentences, such as: 'I played piano. John played football. Anita went home. Are you safe?...

6 years ago

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Elements with highest local average
Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

6 years ago

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Integer Sequence - 1
Check the test suite to determine the relationship between input integer scalar and output integer scalar.

6 years ago

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row-th maximum row elements
Input a is a square matrix of size n*n. Output vector v is of size 1*n. The ith element of output v is the ith largest element o...

6 years ago

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Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

6 years ago

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Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

6 years ago

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Bubble sort
Write your own bubble sort function ( <https://en.wikipedia.org/wiki/Bubble_sort>) to sort all elements in x in ascending order....

6 years ago

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Calculate the sum of two polynomials
Calculate the sum of two polynomials if they are written in notation with their coefficients. example: a=[3 4 5]; b=[...

6 years ago

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Find the area of a triangle having vertices (A,B), (C,D), and (E,F)
Find the area of a triangle using if we have the three vertices of the triangle

6 years ago

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Optimization of cylinder surface area
Optimization of a cylinder surface area. What are the best parameters (radius and height) to get the minimum cylinder surface a...

6 years ago

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Enlarge array
Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

6 years ago

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Replace secondary diagonal elements of a square array
Replace all the secondary diagonal elements of the square array A with the number n Example: A = [1 2 3 4 5 6 ...

6 years ago

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Approximate the inverse tangent by power series
Given values b (where abs(b)<=1) and n (polynomial order), write a function that calculates atan(b) by using power series.

6 years ago

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Say type of roots in quadratic equation
Given the coefficients of a quadratic equation, write a function that gives the output y='RealDifferent' if the roots are real a...

6 years ago

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Alternating 1´s and 0´s in a matrix
Given an odd number n, write a function that creates a matrix y with dimension nxn alternating 1's and 0's, and starting with 1 ...

6 years ago

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Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

6 years ago

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Get the mean digit
Write a function that gives the mean digit (round towards nearest integer) of an input and positive number. For example: x ...

6 years ago

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Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.

6 years ago

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Sum of a geometric series
Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.

6 years ago