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String count
given a string 'str', count the number of the followings - * letters * digits * white space * capital letters * smal...

6 years ago

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Find an optimal placement of coolers on a grid
In a certain chemical plant, 6 new pieces of cooling equipment (coolers) are to be installed in a vacant space. This vacant spac...

6 years ago

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Spiral Out - 02
An array is given. Convert it into a spiral matrix. For example, a=1:27; out=[21 22 23 24 25 26 20 ...

6 years ago

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Spiral Out - 01
Create a spiral matrix ( clock-wise direction ) of size n. Try to do that without using the built-in function.

6 years ago

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Don't be Too Greedy!!
Refer to the prev problem <https://www.mathworks.com/matlabcentral/cody/problems/45450-don-t-be-too-greedy> For this time, ca...

6 years ago

Solved

Don't be Too Greedy!
Refer to the prev problem <https://www.mathworks.com/matlabcentral/cody/problems/45416-don-t-be-greedy> A list of assignments...

6 years ago

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Most Frequent Word - 01
Given a document file or a character array, find out the most frequent word in that document. In the case of multiple words -...

6 years ago

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La derivada numérica
El concepto de pendiente o inclinación de una función recta es muy intuitivo para cualquier persona. Desde el punto de vista mat...

6 years ago

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Nash Equilibrium
In game theory, a player's *strategy* is any of the options that can be chosen in a setting where the pay-off depends not only o...

6 years ago

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Grazing-02
A cow is tied to an outside corner of a rectangular barn of size (a,b) with a rope of length l. What is the maximum area the cow...

6 years ago

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Kaggle: Reverse Game of Life - Zoo of Stills and Oscillators
<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Reverse Lif...

6 years ago

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PEMDAS test
Create the function that will return the following expression for x and y. <<https://i.ibb.co/RHWyzrv/Code-Cogs-Eqn-1.gif>> ...

6 years ago

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Generate n equally spaced "intervals" between -x and x
Given n and x, return a list of numbers (in ascending order) that divides the interval [-x x] into n equal-length intervals. ...

6 years ago

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Create a vector of the first n naturnal numbers
If n = 7, your program should return a vector y, where y = [1 2 3 4 5 6 7].

6 years ago

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Create logarithmically spaced values
Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

6 years ago

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Element-wise vector product
Given two vectors x and y, compute their element-wise product z. Thus, if x = [1 3 5] and y = [0.5 -1 2], then z = [1*0.5...

6 years ago

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Vector raised to a power (element-wise)
Given a vector A and a number x, raise each element of the vector to the power of x. Thus, if A = [2 5 7 1] and x = 0.5, then ...

6 years ago

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Create a vector with n repeated values of a number x
If x=3 and n=7 then the vector y would be y=[3 3 3 3 3 3 3]

6 years ago

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Create a vector of n alternating ones and zeros
Given n, your output should be a vector y of numnbers such that the first number is 1 and the numbers following it alternate bet...

6 years ago

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Create a vector of the first n odd numbers
If n = 10, your program should return a vector y, where y = [1 3 5 7 9 11 13 15 17 19].

6 years ago

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Product of a and b
return the value of c = a*b

6 years ago

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The Dark Knight
The current position of the knight is x The desired destination is y The size of the chessboard is n. Find the minimu...

6 years ago

Solved

Successive zeros(harder)
The problem is from Problem 45436, <https://ww2.mathworks.cn/matlabcentral/cody/problems/45436-successive-zeros> suppose n is...

6 years ago

Problem

Successive zeros(harder)
The problem is from Problem 45436, <https://ww2.mathworks.cn/matlabcentral/cody/problems/45436-successive-zeros> suppose n is...

6 years ago | 3 | 10 solvers

Solved

Successive zeros
suppose n is the number of digits a number can contain. Now, 12032 - is a valid n=5 digit number. But 10023 - is defined a...

6 years ago

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Juego de posiciones
Crea una función que ordene vectores de tal manera que los primeros números sean negativos ordenados de menor a mayor. Y después...

6 years ago

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$10,000 sequence
Find the nth term of the Hofstadter–Conway sequence and its chaotic cousin. <https://en.wikipedia.org/wiki/Hofstadter_sequenc...

6 years ago

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Capitalize
Capitalize the 1st letter of each input. Other letters should be lowercase. For example - a='alphaS' >> 'Alphas' a='1...

6 years ago

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Prime Sum
What is the minimum value that can be written as sum of primes in n different ways? For example, 10 is the minimum value th...

6 years ago

Solved

Find the Sum of the Series:
Find the sum S = ∑x^n/n! with a given accuracy _eps_. Sum until abs(currentS/S) < eps . _eps_ - accuracy, _cu...

6 years ago