Tomoaki Takagi

Last seen: Today | Active since 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

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

5 hours ago

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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

5 hours ago

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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...

5 hours ago

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number play

6 hours ago

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non-repitition of numbers in a vector

6 hours ago

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Product of elements in a column

6 hours ago

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Double the length of the vector

6 hours ago

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Half the length of the vector

6 hours ago

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find the index of a number

6 hours ago

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Seperate 2nd column in a matrix

6 hours ago

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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, ...

6 hours ago

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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.

6 hours ago

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

6 hours ago

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

6 hours ago

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

6 hours ago

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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...

6 hours ago

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

6 hours ago

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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...

6 hours ago

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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'

7 hours ago

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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...

7 hours ago

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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(...

7 hours ago

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

7 hours ago

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Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

7 hours ago

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Odd times even numbers in a matrix
First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

7 hours ago

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Second smallest number
What is the second smallest number in x? example: x = [1 2 3 4 5 6 7 8 9] y = 2

7 hours ago

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Add the even numbers
Add only the even numbers of x example: x = [1 2 3 4 5] the positive numbers are: 2 4, so their sum is 6

7 hours ago

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Determinate if day D is a date that occurs during Daylight Saving Time in Italy
<https://en.wikipedia.org/wiki/Summer_Time_in_Europe>

7 hours ago

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How many hours are there in a day in Italy?
Remember "European Summer Time"

8 hours ago

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Calculate the answer to life the universe and everything
<https://en.wikipedia.org/wiki/42_(number)>

8 hours ago

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Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

8 hours ago

Tomoaki Takagi

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