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Inigo San Aniceto

MathWorks

Attivo dal 2014

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Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

oltre 9 anni fa

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pressure to dB?
given x ratio of pressure, find corresponding y dB

oltre 9 anni fa

Risolto


Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

oltre 9 anni fa

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Who is the smartest MATLAB programmer?
Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

oltre 9 anni fa

Risolto


give nth decimal place of pi
max 15th place after the decimal point is ok for now

oltre 9 anni fa

Risolto


So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

oltre 9 anni fa

Risolto


Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

oltre 9 anni fa

Risolto


Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

oltre 9 anni fa

Risolto


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

quasi 10 anni fa

Risolto


Multielement indexing of a row array
The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

quasi 10 anni fa

Risolto


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

circa 10 anni fa

Risolto


Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

circa 10 anni fa

Risolto


Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...

circa 10 anni fa

Risolto


Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

circa 10 anni fa

Risolto


Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

circa 10 anni fa

Risolto


Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

circa 10 anni fa

Risolto


Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

circa 10 anni fa

Risolto


Find max
Find the maximum value of a given vector or matrix.

circa 10 anni fa

Risolto


Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

circa 10 anni fa

Risolto


Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

circa 10 anni fa

Risolto


Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

circa 10 anni fa

Risolto


Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

circa 10 anni fa

Risolto


Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

circa 10 anni fa

Risolto


Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

circa 10 anni fa

Risolto


Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

circa 10 anni fa

Risolto


Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

circa 10 anni fa

Risolto


Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

circa 10 anni fa

Risolto


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

circa 10 anni fa

Risolto


First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

circa 10 anni fa

Risolto


Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

circa 10 anni fa

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