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Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

11 years ago

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I've got the power! (Inspired by Project Euler problem 29)
Consider all integer combinations of a^b and b^a for the integer values 2 ≤ a ≤ 4 and 2 ≤ b ≤ 5: 2^2=4, 2^3=8, 2^4=16,...

11 years ago

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chance in percent for minimum K heads when a good coin is tossed N times?
For example, chance is 100% for minimum 0 heads when a coin is tossed 7 times. Chance is 50% for minimum 2 heads when a coin is...

11 years ago

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Additive persistence
Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

11 years ago

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Relational operators and row arrays: Run times
* Construct a row array fastRunTimes containing all elements of runTimes equal to or less than 480 seconds. Ex: If runTimes =...

11 years ago

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Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

11 years ago

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Indexing the array: Shift right with variable sized arrays
* Write a statement to shift the array contents 1 position to the left. * Assign the rightmost element with -1. Ex: [12, 85...

11 years ago

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Convert Decimal Number to Hex number (including non integer value)
Convert Decimal Number to Hex number (including non integer value) E.X. (2598.675) in decimal = A26.ACCC in hexa

11 years ago

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Power supply: 230V to 115V
The problem is simple: we have a wall outlet which supplies 230V and an apparatus that requires 115V. Software is always chea...

11 years ago

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Procrustean bed
Given a vector x and an integer n, convert x to a vector of length n by (1) chopping off the end if it is too long, or (2) addin...

11 years ago

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Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

11 years ago

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Make a simplified barcode
Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

11 years ago

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Calculate Engine Power
Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

11 years ago

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Consecutive Powers
Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

11 years ago

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Spiral Matrix
for a given integer n>=3, generate a matrix of nxn such that the value n^2 is at bottom left and its decreasing towards center ...

11 years ago

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Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

11 years ago

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String substitution, sub problem to cryptoMath
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

11 years ago

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

11 years ago

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Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

11 years ago

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Number Persistence
A number's persistence is the number of steps required to reduce it to a single digit by multiplying all its digits to obtain a ...

11 years ago

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Sort complex numbers into complex conjugate pairs
Sort complex numbers into complex conjugate pairs. Example: Input x = [3-6i -1-4i -1+4i 3+6i] Sorted output = [-1 - ...

11 years ago

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intersection of matrices
Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

11 years ago

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Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

11 years ago

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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

11 years ago

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Find the number that has most primes those less than it
Given an vector x of integer numbers, find the element of x that has the most primes less than it.

11 years ago

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give-nth-decimal-place-of-pi up to 100 digits
max 100th place after the decimal point this is upgrade problem of 142

11 years ago

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JOIN STRINGS
There are two given strings 'STRING1' and 'STR ING2'.|monospaced|The output should be 'STRING1 STR ING2' or STr1='Sum';STr2='EQU...

11 years ago

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

11 years ago

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

11 years ago

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length of string on cylinder
A cylinder H cm high has a circumference of C cm. A string makes exactly N complete turns round the cylinder while its two ends ...

11 years ago

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