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Atsushi Ueno


Last seen: Today Active since 2016

MATLAB yummy! Mayonnaise yummy!

Programming Languages:
Python, C++, C, MATLAB, Visual Basic
Spoken Languages:
English, Japanese

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Solved


What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

4 days ago

Solved


Operate on matrices of unequal, yet similar, size
You may want to add a vector to a matrix, implying that the vector is added to each column of the matrix. Or multiply a 3x4x5 ma...

5 days ago

Solved


Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

5 days ago

Solved


sinus de pulsation a
Ecrire une fonction sinat qui prend en entrée un vecteur t (de valeurs croissantes) et renvoie un vecteur y de de même dimensi...

6 days ago

Solved


Find smallest integer type to accommodate your number
MATLAB supports 1-, 2-, 4-, and 8-byte storage for integer data. Find the smallest integer type to accomodate a scalar integer. ...

9 days ago

Solved


Create different color vectors.
When producing figures with multiple lines on, you often want the lines to all be visible and different colors. Given the need f...

10 days ago

Solved


Linear Motion 1
An object travels N feet in the first second of travel, N feet again during the second second of travel and N feet again during ...

18 days ago

Solved


Visualization of experimental data across a surface
Assume that you have taken data across the surface of a sample, for example sheet resistance. The data is stored in a Nx3 matri...

19 days ago

Solved


Magnitude of Balancing Force
A box weighing W1 pounds is placed where its center of mass is located d1 ft from the fulcrum. A balancing force is placed at th...

19 days ago

Solved


Array Concatenation (2)
Given two matrices, a and b, concatenate the two matrices vertically, i.e., the number of rows of the result should be equal to ...

23 days ago

Solved


Array Concatenation (1)
Given two matrices, a and b, concatenate the two matrices horizontally, i.e., the number of columns of the result should be equa...

23 days ago

Solved


Test if a matrix is symmetric
Write a logical function that returns 1 if the input matrix is symmetric and 0 otherwise.

23 days ago

Solved


Count the Number of Undirected Cycles in a Graph
Given a symmetric adjacency matrix, determine the number of unique undirected cycles. For example, the graph represented by adj...

23 days ago

Solved


Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...

25 days ago

Solved


Make blocks of color
Given a (Nx3) sequence of RGB colors, I want to create a (numRowBlocks x numColBlocks x 3) image comprising (blockSize x blockSi...

26 days ago

Solved


Convert a given Character to its decimal equivalent value
Convert a given character to its decimal equivalent value according to the ascii table. if x = '!'; y = 33; if x = 'u'; ...

27 days ago

Solved


Sequence
Let S be a sequence of numbers Let Find for some , where and . Update - test suite cleaned up on 2-9-22

27 days ago

Solved


Convert RGB triplet to ColorSpec string
This is the inverse to <http://www.mathworks.com/matlabcentral/cody/problems/42612-convert-colorspec-string-to-rgb-triplet this ...

1 month ago

Solved


Flip the diagonal values
Write a program that flip the elements of main diagonal , upper and lower diagonal values of a sqare matrix. For example if a ...

2 months ago

Solved


Area of a regular hexagon
Given the length of a side of a regular hexagon, return its area rounded to two decimal places.

2 months ago

Solved


Draw "C" in a zero matrix
Given a x-by-x matrix filled with zeros (x> 4). Use 1 to draw a letter C into it! Like this: x = 5, y = 1 1 1 1 1 1 0 0 0 1 ...

2 months ago

Solved


Draw "T" inside a Zero Matrix
Given a x-by-x matrix filled with zeros (x> 2). Use 1 to draw a letter "T" into it! Like this: x = 5, y = 1 1 1 1 1 0 0 1 0 0...

2 months ago

Solved


Sum of 2 numbers in array
Given an array and a target sum, return true if any 2 numbers in the array sum up to the given target sum. Both numbers cannot h...

2 months ago

Solved


Find distance travelled by an object starting from rest in time 't' and linear acceleration 'a' = 3t
Find distance travelled by an object starting from rest in time 't' with linear acceleration a = 3t. You are given time t as an ...

2 months ago

Solved


Find all prime factors of the input
Given an input x, find its all prime factors. Return the vector with all factors in ascending order. Efficiency is the key here...

2 months ago

Solved


Invert a Logical Matrix
Given a logical matrix, invert it

2 months ago

Solved


Draw a triangle of ones
For any given n, return a matrix that includes a triangle of ones of height n: Example n = 3 output = [0,0,1,0,0 ...

2 months ago

Solved


Caesar Cipher Shift
Given a word and its encrypted version using the caesar cipher, find the shift used.

3 months ago

Solved


Monty Python and the Holy Grail: Crossing the Bridge of Death
To cross the Bridge of Death, your function must return the numerical value for the airspeed velocity of an unladen swallow

3 months ago

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