Solved

Find a subset that divides the vector into equal halves

Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

nästan 3 år ago

Solved

How long is the longest prime diagonal?

Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...

nästan 3 år ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

nästan 3 år ago

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Pernicious Anniversary Problem

Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

nästan 3 år ago

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Energy of a photon

*⚛ ☢ ⚛ ☢ ⚛ ☢ ⚛* Given the frequency F of a photon in giga hertz. Find energy E of this...

nästan 3 år ago

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How to subtract?

*± ± ± ± ± ± ± ± ± ± ±* * Imagine you need to subtract one...

nästan 3 år ago

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How close to a hole

Suppose you have a description of good places (ones) and bad places (zeros). You want to know your distance from a bad place (in...

nästan 3 år ago

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Find the same and successive values in a vector

Find the same and successive values in a vector. For example: Input x = [ 1 0 0 1 1 1 1 0 1 1 1 0 0 0 1 ] Start and end...

nästan 3 år ago

Solved

Find Elements in Range

Based on a question on <http://www.mathworks.com/matlabcentral/answers/ MATLAB Answers>. Find all the elements of a vector wh...

nästan 3 år ago

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longest sequence of nans

In an array return the length of longest sequence of nans for each column. x = [ 2 3 1 2 5 6; nan nan 5 n...

nästan 3 år ago

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Solve the 2-norm Regularization Problem

In data fitting, regularization is a technique to stabilize an ill-posed problem. <https://en.wikipedia.org/wiki/Tikhonov_regula...

nästan 3 år ago

Problem

Solve the 2-norm Regularization Problem

In data fitting, regularization is a technique to stabilize an ill-posed problem. <https://en.wikipedia.org/wiki/Tikhonov_regula...

nästan 3 år ago | 0 | 4 solvers

Question

Please Explain the new File Exchange Versioning Number

The new File Exchange versioning uses four numbers. Please explain what each number represents. For example, |2.1.4.2|.

nästan 3 år ago | 1 answer | 0

Submitted

Matlab Style Guidelines Cheat Sheet

One page summary of the "MATLAB Programming Style Guidelines"

nästan 3 år ago | 32 downloads |

Question

S-Function Backward Compatibility

Can an S-function compiled in 2018a be used in a model in 2013b? Please cite the documentation if you know the keywords to fi...

ungefär 3 år ago | 1 answer | 0

Question

Reformulate a Constrained Linear Least Square Problem

I have a problem of the form <</matlabcentral/answers/uploaded_files/119361/Clipboard01.png>> Normally you solve it like t...

ungefär 3 år ago | 2 answers | 0

Solved

Split array into pieces according to corresponding array

An array x of length n has values 1...m with each value appearing at least once. The values are sorted (n>=m). A second...

ungefär 3 år ago

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Neither minima nor maxima

Input v is a vector. Return all the elements of v which are not a local minimum or maximum. Example: v = [1 2 3 4 5] Ou...

ungefär 3 år ago

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Find indices of diagonal elements

Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

ungefär 3 år ago

Solved

Elements with highest local average

Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

ungefär 3 år ago

Solved

Sum my indices

Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

ungefär 3 år ago

Solved

Decimation - Optimized for speed

This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

ungefär 3 år ago

Solved

Implement a bubble sort technique and output the number of swaps required

A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

ungefär 3 år ago

Solved

Reference Index Number

Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

ungefär 3 år ago

Solved

Oh Zero Zero Zero!!!

Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

ungefär 3 år ago

Solved

Find last zero for each column

Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

ungefär 3 år ago

Submitted

Persistent Data for Lookup Tables in Simulink

How to speed up Simulink models that use large lookup tables.

ungefär 3 år ago | 1 download |

Submitted

Bessel Zero Solver

Finds the zeros of besselj and bessely in an ordered fashion. No zeros are missed.

ungefär 3 år ago | 26 downloads |

Question

Bug Tracker for Simulation Models

I am looking at tracking bugs in simulation models and m code. Is there a bug tracker that you would recommend for use with MATL...

ungefär 3 år ago | 1 answer | 0

Answered

How can we generate code from simulink model by command line in windows?

See the simulink documentation. Specifically, <https://www.mathworks.com/help/simulink/functionlist.html?s_cid=doc_ftr Functi...

How can we generate code from simulink model by command line in windows?

See the simulink documentation. Specifically, <https://www.mathworks.com/help/simulink/functionlist.html?s_cid=doc_ftr Functi...

ungefär 3 år ago | 0