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optimizing iterated objective function - containing ∑- sum operator

Define a custom objective function as: function f_sum = objectiveFun(inParam) global N p q x = inParam(1); y = inParam...

optimizing iterated objective function - containing ∑- sum operator

Define a custom objective function as: function f_sum = objectiveFun(inParam) global N p q x = inParam(1); y = inParam...

circa 2 mesi ago | 1

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Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

10 mesi ago

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Formatting currency numbers

Given a number, format it properly for textual display using the notation $xxx,xxx,xxx.xx. Assume that no more than two digits ...

circa un anno 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>...

circa un anno ago

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Calculate the Hamming distance between two strings

Inspired by a similar Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-dist...

circa un anno ago

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Add more zeros

Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

circa un anno ago

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Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

circa un anno ago

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Split a string into chunks of specified length

Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

circa un anno ago

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Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

circa un anno ago

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Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

circa un anno ago

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Construct a string from letters and counts

Given two input arrays like this: [5,3,1] ['a','b','c'] Output a string that contains each letter the specified num...

circa un anno ago

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Gauss Eliminate 2-by-2 example

Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

circa un anno ago

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Scoring for oriented dominoes

Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

circa un anno ago

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Flag largest magnitude swings as they occur

You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

circa un anno ago

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Increment a number, given its digits

Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

circa un anno ago

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Making change

Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

circa un anno ago

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Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

circa un anno ago

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Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

circa un anno ago

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Make a run-length companion vector

Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

circa un anno ago

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Clean the List of Names

Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

circa un anno ago

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Find relatively common elements in matrix rows

You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

circa un anno ago

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Make a Palindrome Number

Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

circa un anno ago

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Maximum running product for a string of numbers

Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

circa un anno ago

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Find Index of maximum Value and maximum Value of a vector

Find the Index of the first occurrence of the maximum value in a vector and also the maximum value in the vector. Example: [...

circa un anno ago

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Add a row of zeros on top of a matrix

Given a matrix, insert a row of zeros as the top row.

circa un anno ago

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Sum the elements in either diagonal of a square matrix

Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal. (Include all elements that are part ...

circa un anno ago

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Given a window, how many subsets of a vector sum positive

Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

circa un anno ago

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Horizontal matrix sort

Given a matrix x with n rows and m columns, return a matrix y with n rows and 2m columns, such that every row in x is sorted fro...

circa un anno ago

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Find number of days

The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...

circa un anno ago