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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 -...

5 years ago

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Characterize the final state of the digit inventory sequence

5 years ago

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Find the nth term in the digit inventory sequence

5 years ago

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Inscribed circle in a triangle
A circle of radius r is inscribed in a triangle. In the figure, Ac=x and Bc=y. values of x & y are given. Find the ar...

5 years ago

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Ugly numbers - 02
Ugly numbers are those whose prime factors are 2, 3 or 5. find the nth ugly number. n.b. unlike the previous problem,trivi...

5 years ago

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Successive zeros (harder)
The problem is from Problem 45436, <https://www.mathworks.com/matlabcentral/cody/problems/45436-successive-zeros> Suppose n i...

5 years ago

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Successive zeros
Suppose n is the number of digits a number contains. Now, 12032 - is a valid n=5 digit number. But 10023 - is defined as i...

5 years ago

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ZigZag - 04
Given a matrix, print all its elements in the spiral form (clockwise direction). For example, a=[16 2 3 13 ...

5 years ago

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ZigZag - 03
Given a matrix of any size, print its elements from the zigzag form of the matrix. For example, a=[1 2 3; 4 5 6; ...

5 years ago

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ZigZag - 02
Given a matrix, return the elements that are on the Z form of the matrix. For example - a=[1,2,3,4,5; 6,7,8,9,1; 1...

5 years ago

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Check Digit - 02
Given a list of ISBN's, check whether they're valid or not. Prev Prob - <https://www.mathworks.com/matlabcentral/cody/problem...

5 years ago

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Orthogonal lines
Check whether two given lines are orthogonal or not. Two lines are orthogonal if they create a right angle at their intersect...

5 years ago

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Pascal's triangle
<https://en.wikipedia.org/wiki/Pascal%27s_triangle> if the order is: x = 3; the output will be: output = [0 0 0 1 0 0 ...

5 years ago

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Archimedes principle
According to Archimedes principle, the buoyancy force is equal to the weight of fluid displaced by the submerged portion of an o...

5 years ago

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Get a Fibonacci number's index.
*N.B.* For the purpose of this exercise, the first Fibonacci number is 1, and the second is 2; that is, |fib(1) = 1| and |fib(2)...

5 years ago

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Calculate SNR in dB using original signal and quantized signal
origs: the original signal quants: the quantized signal *hint* : need to calculate the quantization error and plug into SN...

5 years ago

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Fast 1-D Convolution (valid shape)
Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

5 years ago

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Multivariate polynomials - emulate symbolic form
In <https://www.mathworks.com/matlabcentral/cody/problems/44262-multivariate-polynomials-overload-multiplication Problem 44262> ...

5 years ago

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Find the right number make the equation
Given positive integer number n, find the right positive integer number a, b , so that (1) sqrt(a + n * b) is a positive inte...

5 years ago

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Fangs of pseudo-vampire number
given a number, find all the fangs of that number. A pseudo-vampire number can have multiple of fangs. The output should be a...

5 years ago

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Pseudo-vampire number
refer to <https://en.wikipedia.org/wiki/Vampire_number> Given a number x, determine whether it is a pseudo-vampire number. ...

5 years ago

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generate nth pentatope number
https://en.wikipedia.org/wiki/Pentatope_number

5 years ago

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check whether a number is a pentatope number
<https://oeis.org/A000332>

5 years ago

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Be happy
check whether the given number is happy in b-base. * A happy number can be defined as a number which will yield 1 when it is ...

5 years ago

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Cantor counting
Find the nth cantor's rational number. the sequence is given below in the link. Sequence: 1/1,1/2,2/1,3/1,2/2,1/3,1/4... ... .....

5 years ago

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Pell numbers
Find the nth pell number <https://en.wikipedia.org/wiki/Pell_number>

5 years ago

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GJam 2013 Veterans: Baby Height Prediction
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p1 GJam 2013 Veterans Baby Height>. O...

5 years ago

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GJam 2013 China Event: Happy Teams
This Challenge is derived from <http://code.google.com/codejam/contest/2933486/dashboard#s=p0 GJam 2013 China Bad Horse>. The pr...

5 years ago

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GJam 2013 China Event: Happy Teams 100 Pairs
This Challenge is derived from <http://code.google.com/codejam/contest/2933486/dashboard#s=p0 GJam 2013 China Bad Horse> partial...

5 years ago

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Mmm! Multi-dimensional Matrix Multiplication
You have got a couple of multi-dimensional matrices, A and B. And want to multiply them. For the first 2 dimensions, an ordinary...

5 years ago