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Roots of quadratic equation
Given equation is ax^2 + bx + c

10 years ago

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UICBioE240 problem 1.12
The mathematical quantities e^x, ln x and log x are calculated using the expression exp(x), log(x) and log10(x) respectively. ...

10 years ago

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Singularity v5 (with apologies to the true hack masters)
Since the vast majority of recent problems are how to hack Cody, here's another one, with an even more malformed test suite than...

10 years ago

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Self-Description
This is a simplified version of the <http://xkcd.com/688/ *xkcd comic* by the same name>. Simply return the angle (in degrees...

10 years ago

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self description 2.0
New (and way easier) hacking problem built upon <http://www.mathworks.com/matlabcentral/cody/problems/1969 Alfonso's problem 196...

10 years ago

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singularity 2.0 (really hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1770-singularity-2-0-harder Si...

10 years ago

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singularity 2.0 (hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1769-singularity-2-0-easier Si...

10 years ago

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singularity 2.0 (easier)
If you have been in Cody long enough you have probably run across some badly constructed problems and test suites. This prob...

10 years ago

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Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

10 years ago

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Now! (Anticheating version 1)
By now, _Problem 901. Now!_ has not been solved without the use of cheats or hacks. <http://www.mathworks.com/matlabcentral/c...

10 years ago

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Construct an array
* Construct an row array named observedValues with elements sensorReading1, sensorReading2, and sensorReading3.

10 years ago

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Now!
I said now!

10 years ago

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04 - Scalar Equations 2
Define the variables a and b: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> <<http://samle.dk/STTBDP/Assignment1_4-b.png>...

10 years ago

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05 - Vector Equations 1
Define the vector _cVec_: <<http://samle.dk/STTBDP/Assignment1_2c.png>> (all the numbers from 5 to -5 in increments of -0....

10 years ago

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07 - Common functions and indexing 6
Create a variable _m_ as a magic square with the size 6 x 6 Magic squares are defined as square matrices, where the sum of a...

10 years ago

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Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

10 years ago

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What's Your BMI?
Find the body mass index. For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...

10 years ago

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Add two numbers
Add two numbers (For beginners)

10 years ago

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Equal to their cube
Tell me three real numbers that are equal to their cubes?

10 years ago

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vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

10 years ago

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Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

10 years ago

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Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

10 years ago

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Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

10 years ago

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Celcius to Kelvin
Convert Celsius degrees to Kelvin temperature.

10 years ago

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Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

10 years ago

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Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

10 years ago

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Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

10 years ago

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03 - Matrix Variables 5
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3e.png>>

10 years ago

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Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

10 years ago

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Getting the row and column location from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get <http://www.mathwo...

10 years ago