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Resistance in a circuit
Two resistors with values of 6.0 ohms and 12 ohms are connected in parallel. This combination is connected in series with a 4 o...

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Predict Cricket Stridulation Rate from Air Temperature
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

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Wind outward from the center ...
Create an n-by-n matrix with elements ranging from 1 to n^2 in a rectangular spiral pattern. Example if n = 5 : 21 ...

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Pressure for a given Above Sea Level Altitude
For altitudes up to the stratosphere (around 11 km above mean sea level), the air pressure can be estimated from: with where...

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Fangs of a vampire number
A vampire number is a number v that is the product of two numbers x and y such that the following conditions are satisfied: at ...

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Cut the rod
A rod of length n can be cut in different sizes. Different price is associated with different length of cuts. length, len= [1,...

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Alternative Scoring. Create an incremental spiral.
This problem is created to test an alternative Cody scoring system. It is based on the current one, but few changes are introduc...

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How many solutions has this problem?
Guess, predict or calculate :-) (You will be scored by the accuracy). Update: <http://www.mathworks.co.uk/matlabcent...

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Matlab Basics II - Unit Conversion
Write a function that converts Kg to lbs, returns the answer to the nearest 1/100th of a pound

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Test if a number is numeric or not
Test if a number is numeric or not

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Number Puzzles - 016

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Number Puzzles - 015

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Compute the harmonic numbers
The nth <https://mathworld.wolfram.com/HarmonicNumber.html harmonic number> is defined as the sum of the reciprocals of the inte...

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Generate a list of composite numbers

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Ohm's Law
Well its Ohm's law... So V = IR! I will give two of the three values, such as V and I or I and R and you have to return th...

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Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...

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Find the gcm of n given values
Create a function that given n integer values greater than zero, finds the two numbers with the greatest common divisor and retu...

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Gapful numbers
If a number is divisible by the number formed by the first and last digit of that number then it is defined as a gapful number. ...

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Highest powers in factorials
This is the inverse of the problem <https://www.mathworks.com/matlabcentral/cody/problems/44747 Exponents in Factorials>. Inste...

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Average valid values of arrays
Given a 1D array (column or row vector), compute the average of valid values. Valid values are defined via two thresholds: minVa...

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Ring Matrix
Given n (only odd), return output matrix a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. ...

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Median computation (★)
Given a vector of values, compute the median. The median is defined as the middle value in a set of *sorted* data. Thus, if ...

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Function 1 (★)
Compute the value of <<https://i.imgur.com/AxKWLmE.gif>> for any given positive x.

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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>> ...

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Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
(copy of prob. 859) In this problem you must submit a solution which returns the diagonal and anti-diagonal elements without ...

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Sum of terms in a series 1 (★★★)
Given x and n, compute the following sum: |x|+|x|^(1/2)+|x|^(1/3)+|x|^(1/4)+|x|^(1/5) ... + |x|^(1/n) where ||x|| indica...

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Sum of terms in a series 2 (★★★)

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Vector creation using linspace
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use linspace.

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Fill a zeros matrix (★★★★★)
(Copy of Problem 830) The aim is to fill an array of all zeros given a numerical value and the index of row and columns for t...

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Factorize uniquely! (★★)

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