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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...
8 hours ago
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Probability of winning single-elimination tournament
Find the probability that the p^{th} player will win a single-elimination tournament with 2^n players where M(i,j)=probability t...
8 hours ago
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Determined if input object array is heterogeneous
Classes inherent from matlab.mixin.Heterogeneous can form arrays of heterogeneous elements, that is elements of different subcla...
8 hours ago
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Count the Digits in the Box
In this problem you must provide an accurate census of all the digits inside a given box. The problem is complicated by the fact...
8 hours ago
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Amazing circle of numbers 1 to n
For given natural number n, create amazing circle of numbers 1 to n without a repeat. This circle is that the sum of any two ad...
9 hours ago
Solved
Extract diagonal of sparse quadratic form
Consider the matrix A and vector v given by, A=round(sprand(5e3,1e4,1/1e4*100)*100); v=randi(10,width(A),1); Write a rout...
9 hours ago
Solved
2x2 binning of a large sparse matrix
Consider the 20000 x 20000 sparse matrix, A=round(sprand(2e4,2e4,1/1e4*100)*1000); The task is to divide this matrix into 2x...
19 hours ago
Solved
Genome Sequence 001: Introductory DNA Sequencing
This Challenge series will evolve the complexity of Genome DNA Sequencing. <http://en.wikipedia.org/wiki/Genome DNA Sequencing> ...
19 hours ago
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Find an inscribed square on a closed curve
Here's an unproven conjecture from geometry: Every simple closed curve in a plane contains all four vertices of some square. ...
19 hours ago
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Finding operators in a MATLAB function in a string.
The aim is to find if there is an operator inside a MATLAB function call in a formula. The input is a string and the output is a...
20 hours ago
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Convert double scalar to half-precision floating point (IEEE 754r)
Use MATLAB to convert a scalar double into a half-precision floating point. The return value should be a uint16. The half-pr...
20 hours ago
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Curry a function handle
From Wikipedia, Currying: In mathematics and computer science, currying is the technique of converting a function that takes mu...
20 hours ago
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Combine complex conjugates first when computing the product of vector
Analytically, the product of complex conjugates yields a real result. When numerically computing the product of a vector contai...
21 hours ago
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Split up vector or matrix delimited by NaNs
Given several vectors contained within one vector delimited by NaNs, return each individual vector as an element of a cell vecto...
21 hours ago
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The 17x17 Problem
This problem is sometimes referred to as the <http://bit-player.org/2009/the-17x17-challenge 17x17 challenge>. See also <http://...
21 hours ago
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Simple Robotics 1: On track?
As a small extension to problem: <http://www.mathworks.com/matlabcentral/cody/problems/2100-distance-to-a-straight-line-2d-give...
21 hours ago
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Sign of IEEE Single
Output the sign bit of the IEEE representation of the single-typed 32-bit float input as the uint8 "1" or the uint8 "0".
22 hours ago
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Wordle
Wordle is an english game where you need to guess a 5 letter word. For each guess you'll receive a feedback for the placement of...
22 hours ago
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Find the quantization index of an analog value using a 6-bit quantizer.
Given a sinusoidal waveform x(t)=4.5*sin(2*pi*100*t) is sampled at 8000 sample per second. Assume that signal range is between -...
22 hours ago
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Compound Interest Rate Calculation With Yearly Deposition Into A Bank Account
The problem adds a twist to the compound interest calculation by having the bank account owner depositing a fixed amount of mone...
22 hours ago
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A Mathematical Problem
Find the kth digit of the inverse of a number 'n'. Assumption: n>1
1 day ago
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Getting Maximum Chocolate
John loves Chocolate but he didn't have money. The owner of "Sweet Chocolate" launches a scheme for free chocolate. He divided a...
1 day ago
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Exponent of IEEE Single
Output the exponent bits as a uint8 of the IEEE representation of the single-typed 32-bit float input.
1 day ago
