# 埃博拉酱

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Solved

Number of toolboxes?

Return a number equal to the number of toolboxes available to the Cody solvers.

1 year ago

Problem

Integer vector optimal lossless deduplication

You're given an integer vector A, a Min scalar and a Max scalar. You can assume all elements in A are in [Min,Max] range, and nu...

1 year ago | 2 | 2 solvers

Problem

Is the number of 1s in a binary integer odd or even?

Your function should turn the input integers into binary form and count the number of 1s in the binary. If the number is odd, re...

1 year ago | 1 | 21 solvers

Problem

Ambiguous concatenation

Give two expressions that can have different meaning inside/outside a concatenation expression.

1 year ago | 0 | 3 solvers

Solved

Check if equal

Return true if all the elements of an nD array are equal, false otherwise.

2 years ago

Solved

Curry a function handle

From Wikipedia, Currying: In mathematics and computer science, currying is the technique of converting a function that takes mu...

2 years ago

Problem

Merge structs on fields

Merge a bunch of structs into one, containing the field names and corresponding values of all input structs. For duplicate field...

2 years ago | 0 | 4 solvers

Solved

Exhaust all possible logical vectors

Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

2 years ago

Solved

Maximum of ND-array

Find the maximum element of a N dimensional array. Example: A=[1 2 4 ; -20 4 10]; The maximum is 10.

2 years ago

Problem

Exhaust all possible logical vectors

Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

2 years ago | 1 | 17 solvers

Solved

Undocumented MATLAB tricks No. 2 - Tell the parfor index

Your function is called in multiple for-loops, and the loop indices are given to your function. One of these indices are from a ...

2 years ago

Solved

Undocumented MATLAB tricks No. 1 - Save a function-returned struct

Often we face the case when we want to save a function-returned struct to a mat file with each of its field as individual variab...

3 years ago

Problem

Undocumented MATLAB tricks No. 2 - Tell the parfor index

Your function is called in multiple for-loops, and the loop indices are given to your function. One of these indices are from a ...

3 years ago | 0 | 2 solvers

Problem

Undocumented MATLAB tricks No. 1 - Save a function-returned struct

Often we face the case when we want to save a function-returned struct to a mat file with each of its field as individual variab...

3 years ago | 0 | 5 solvers

Solved

Dealfun (1.0)

*Short description.* Write a function _dealfun_: [y1,y2,...,yn]=dealfun(fhandle,x1,x2,...,xn) which evaluates the f...

3 years ago

Solved

Restricted Subtraction v1

This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45265-restricted-addition-v4 Restricted Addition v4> with...

3 years ago

Solved

Restricted Multiplication v1

This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45265-restricted-addition-v4 Restricted Addition v4> with...

3 years ago

Solved

Algorithmic Trading - 4 (two thresholds)

This is the fourth of a series of problems on quant trading. It builds on earlier problems 45776, 45860, and 45884 *Goal* ...

3 years ago

Solved

Algorithmic Trading - 3 (short selling and leverage)

This is the third of a series of problems on quant trading. It builds on earlier problems 45776 and 45860 <https://www.mathwo...

3 years ago

Solved

Algorithmic Trading - 2 (optimize Calmar Ratio)

This is the second of a series of problems on quant trading. It builds on earlier problem 45776 <https://www.mathworks.com/matla...

3 years ago