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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 11 anni fa
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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 11 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 11 anni fa
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give nth decimal place of pi
max 15th place after the decimal point is ok for now
oltre 11 anni fa
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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 11 anni fa
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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 11 anni fa
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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 11 anni fa
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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...
oltre 11 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...
oltre 11 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...
quasi 12 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 --> ...
quasi 12 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]...
quasi 12 anni fa
Risolto
Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...
quasi 12 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 ...
quasi 12 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
quasi 12 anni fa
Risolto
Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
quasi 12 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 ...
quasi 12 anni fa
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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
quasi 12 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 ...
quasi 12 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];
quasi 12 anni fa
Risolto
Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.
quasi 12 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!
quasi 12 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
quasi 12 anni fa
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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...
quasi 12 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...
quasi 12 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...
quasi 12 anni fa
Risolto
First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
quasi 12 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...
quasi 12 anni fa
