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Fill the matrix - 1
Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the s...

5 years ago

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5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

5 years ago

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P-smooth numbers
This Challenge is to find <https://en.wikipedia.org/wiki/Smooth_number P-smooth number> partial sets given P and a max series va...

5 years ago

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Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

5 years ago

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QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a standard U.S. QWERTY keyboard and it...

5 years ago

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Independent direction vectors of a plane
Given the equation of a plan of the form ax+by+cz=d, return 2 independent direction vectors which could e.g. be used to determin...

5 years ago

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Three...is a magic number.
Yes it is... It's a magic number... To help you get rid of that earworm, here's a new Cody problem. You are given a squar...

5 years ago

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Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

5 years ago

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Vectorizing, too easy or too hard?
Please insert a . before any ^, * or / in the string. That's it!!

5 years ago

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capable husband?
* The prospective husband must pass a background check, * and *functions* faithfully, as suggested by <http://www.mathworks.com...

5 years ago

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Multiply to the limit?
If y = 4*x*x/pi/pi then what is the ultimate limiting result of (1+y/1/1)(1+y/3/3)(1+y/5/5)(1+y/7/7)... ... within 1000*eps?

5 years ago

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A Simple Tide Gauge with MATLAB
*&#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767* You are standing in a few inches of sea water on a beach. You a...

5 years ago

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Predicting life and death of a memory-less light bulb
*&#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &#128161 &...

5 years ago

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Combined Ages 3 - Non-symmetric, n ≥ 3
Pursuant to the previous two problems ( <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-...

5 years ago

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Combined Ages 2 - Symmetric, n ≥ 3
Following on <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-3 Combined Ages 2>, you wil...

5 years ago

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DC-DC boost converter
Find the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio

5 years ago

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Pancakes for everyone!
Accordingly to the <http://nl.mathworks.com/matlabcentral/cody/problems/42460-the-cake-is-a-lie problem 42460>. All the children...

5 years ago

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Delete the column with all 0 in the TABLE
In the given table (T), delete the column with all 0 data. e.g. input Banana Apple Orange Mellon __...

5 years ago

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Cody problems in French : Trouvez la logique Pt.2
Trouvez la logique entre x et y, aidez-vous de la test suite. Bon courage. P.S: L'utilisation de "^" est de nouveau fortement...

5 years ago

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N-th Odious
Given index n return n-th <https://oeis.org/A000069 odious number>.

5 years ago

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Polite numbers. Politeness.
A polite number is an integer that sums of two or more consecutive positive integers. Politeness of a positive integer is a num...

5 years ago

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Guess
A random number between 1 and 10 is created for the variable y. Guess what its value is.

5 years ago

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Modulo of sum of square of first n primes with 24

5 years ago

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Sum of infinite series.

5 years ago

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sum of binomial series

5 years ago

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Solving Quadratic Equations (Version 2)
Before attempting this problem, solve version 1: <https://www.mathworks.com/matlabcentral/cody/problems/2510-solving-quadratic-...

5 years ago

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Sky full of stars - 02
draw an isosceles triangle with asterisks of size n. For example, for n=6 ' * ' ' *** ' ' **...

5 years ago

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Sky full of stars - 01
Draw a right triangle with asterisks of size n. For example, for n=5 '* ' '** ' '*** ' '**** ' ...

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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Fault in our Stars - 02
Create a window pattern with h-horizontal bars and v-vertical bars. For example, for h=4,v=4 '**********' '* ...

5 years ago