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5 years ago

Solved

Musical Note Interval 1 - Diatonic Scale
Assuming a simple diatonic C scale, calculate the interval (integer) between two notes (provided as strings). By applying number...

5 years ago

Solved

Calculator spelling - Letters to Numbers
Using the numbers on a calculator, and rotating the display 180 degrees, many words can be spelled. In particular, the following...

5 years ago

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Rewrite setdiff to account for non-unique values
Setdiff(a,b) is a function that will remove all values of b from a. Sometimes, you need this function to do a little bit extra,...

5 years ago

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First use of arrayfun() and anonymous function @(x)
Create an anonymous function using @(x) for a parabola equation for the given coefficients stored in s with s(1)x2 + s(2)x +...

5 years ago

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Matrix game: Winner takes all
Given a matrix A, return a new matrix of the same size in which the biggest element of each column in A takes 1, and 0 for all t...

5 years ago

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Automatic String Editing
In this function, you will take an incoming string, and output the same string with each character one letter later in the alpha...

5 years ago

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String Delimination and Outputting
In this problem, take an incoming string and deliminate the string based on spaces. Output the first string in between the space...

5 years ago

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The Python Challenge, Level 1: Decode strings
This problem is based on <http://www.pythonchallenge.com/pc/def/map.html Level 1 of The Python Challenge>, which is just a serie...

5 years ago

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Numeric array to cell array of strings (easy)
Given a numeric array (A) and a 1xk cell array of strings (C), return a cell array (B) that is the same size as A and in which e...

5 years ago

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Is my wife really right?
For every input, output the string 'yes' once. Example: [yes1, yes2] = YesSheIs('Am I right?', 'Do you love me?') yes1 = '...

5 years ago

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write a function to calculate the snr after quantizing the signal in dB
osig : original signal qsig : quantized signal qerror : quantization error HINT: snr = 10×log10(sum(osig × osig)/sum...

5 years ago

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Mean number of letters per word (Easy)
Given a character array, s, representing a sentence, return a, the arithmetic mean of the number of letters per word in the give...

5 years ago

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GJam 2017 Kickstart: Parentheses (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p2 GJam 2017 Kickstart Parentheses>. ...

5 years ago

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GJam 2017 Kickstart: Parentheses (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p2 GJam 2017 Kickstart Parentheses>. ...

5 years ago

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Dick Van Dyck?
* Not the celebrity, <http://en.wikipedia.org/wiki/Dick_Van_Dyke Dick Van Dyke>, * this problem relates to balanced strings of...

5 years ago

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Given n, create n random numbers such that their standard deviation is also n.
Given n, create n random numbers such that their standard deviation is also n.

5 years ago

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Calories in a slice of pizza?
The total calories C in a pizza is printed on its box. You know the angle A (degrees) of the slice you placed on your plate. Ple...

5 years ago

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Find the index of elements in a string vector
In the vector of v, find the index of elements specified by a. v = ["Lion","Koara","Elephant","Snake","Dog","Cat","Camel"]; ...

5 years ago

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Find index of non empty cell array
This question aims to understand the characteristics of MATLAB programs. Educational problem. Please find non empty index of ...

5 years ago

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Get a new matrix by mapping each element of an arbitrary-sized input matrix using lookup table
A is a matrix of any size and dimension. Each element of matrix A belongs to the set S of natural numbers up to N. B is a vector...

5 years ago

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Relation between functions "dec2bin" & "dec2binvec"
Here it's an easy problem we try to find the relation between the two functions "dec2bin" & "dec2binvec", so here you must write...

5 years ago

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COUNT LETTERS
Count the number of letters in a given string. For Example: STR='The MAtlAb code'; output:T 2 H 1 E 2 M 1 A 2 L 1 B 1 C ...

5 years ago

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¡Puntos de corte!
Crea una función que permita calcular los puntos de corte con los ejes X e Y de una función cuadrática indicada por el usuario e...

5 years ago

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¿Es una parábola?
Dados los datos de las magnitudes _*x*_ e _*y*_, crear una función que permita conocer si se trata de una parábola o no, indican...

5 years ago

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¡Busca el extremo!
Crea una función que calcule el extremo de una parábola (máximo o mínimo absoluto) cuyos datos son proporcionados por el usuario...

5 years ago

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Beauty of Parentheses
Given a string consisting of closed parentheses, form a string array in the following way so that the orders of these parenthese...

5 years ago

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Calculate the h-index
H-index is a powerful tool for quantifying the scientific contribution of a researcher. H-index is defined as follows (source - ...

5 years ago

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Toolbox check part 3
In my ongoing quest to highlight obscure parts of MATLAB, the latest challenge is to take 2 string inputs, one a MATLAB toolbox ...

5 years ago

Solved

Mean ignoring NaNs
Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

5 years ago