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Tomoaki Takagi


Last seen: Today |  Actif depuis 2023

Followers: 1   Following: 0

I have a Ph.D. and am currently a corporate AI researcher. I am also a member of the Japanese Society for Evolutionary Computation.

Programming Languages:
MATLAB
Spoken Languages:
Japanese
Pronouns:
He/him
Professional Interests:
Optimization, Genetic Algorithm, Multiobjective Optimization, Estimation, Visualization

Statistiques

All
  • MATLAB Central Treasure Hunt Finisher
  • MATLAB Flipbook Mini Hack Participant
  • 3 Month Streak
  • Knowledgeable Level 1
  • Cody Challenge Master
  • ASEE Challenge Master
  • Personal Best Downloads Level 1
  • GitHub Submissions Level 3
  • Matrix Manipulation I Master
  • Sequences And Series II Master
  • Indexing I Master
  • Scholar

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A résolu


Average of even-numbered columns
Given a vector, find the average of even-numbered columns. e.g x　=　[ 4 6 8 9 1 2 7 ] y =　( 6 + 9 + 2 ) / 3

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Delete the column with all 0 !
Delete the column with all 0 data in a matrix(x). e.g. input x = 1 0 0 4 5 0 7 0 ...

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Average of odd values
Find the average of odd values in given a matrix. e.g x=[ 4 11 8 ; 9 2 7 ] y =( 11 + 9+ 7 ) / 3

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Replace Nan!
Replace Nan in the given vector(v) with 9999.

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Solve the equation. Find X.

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Simple sum 1

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Problem 44444 !!! free beer everyone
just say hallelujah to solve this problem

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what's my tax amount this year ?
given an annual salary x and a tax rate i calculate the amount that you have to pay.Example x = 70000; i=.10 y_correc...

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Convert Hard Drive marketing sizes to actual data sizes
Hard drive sizes are typically marketed using the decimal meaning of prefixes, whereas RAM uses binary meanings. For example: ...

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Divisible by 21
Write a function to determine if a number is divisible by 21.

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Find the maxmum value of N*N Matrix
Input x=[1 2 3; 4 5 6; 7 8 9] output: y=9

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Find the minimal value in N*N Matrix
Suppose that we have N by N matrix, we try to find the minimal value in that matrix. examples: Input A=[1 2 3 5 6;52 58 56 45...

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number play

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non-repitition of numbers in a vector

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Product of elements in a column

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Double the length of the vector

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Half the length of the vector

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find the index of a number

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Seperate 2nd column in a matrix

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Let's get back to school, and create multiplication tables
For a given range, create multiplication tables. (start is always < endno) Example start = 17 endno = 19 Then, ...

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Average Grade
Given a 1x5 vector presents the grades of a student on five tests. Calculate the average grade of that student.

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Convert from integer to binary
if true % decimalToBinaryVector(x) end

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Create tangent function out of sin and cos
Please don't use tan(x) directly

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find the 'M'
for an input x, return 1 at the location of the letter 'M'

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Where is the number that you want to find?
For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

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determine if
determine if the elements of a matrix is a nan and return true

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Calculate inverse matrix in m by n matrix
x=(1:10)' y=roundn(2*x+7*rand(size(x)),-1) a*x=y Estimate a using inverse matrix calculation. This is principle of li...

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Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

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How to permute given 3d matrix?
A(:,:,1)=[1 3] A(:,:,2)=[2 2] A(:,:,3)=[4 3] Change rows to columns and columns to rows, similar to transpose. Resul...

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Where is 1?
There is a 3d matrix [A] that consist of many zeros and only one. A=zeros(100,100,100); i=randi(100); j=randi(100); k=randi(...

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