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# Pauli Huusari

Last seen: 11 days ago Active since 2019

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Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

11 days ago

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Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

11 days ago

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A matrix of extroverts
Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

11 days ago

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Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

15 days ago

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02 - Vector Variables 1
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2a.png>>

15 days ago

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06 - Matrix Equations 1
Define the vectors _aVec_ and _bVec_ and the matrix _aMat_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http:/...

15 days ago

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Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

15 days 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, ...

15 days ago

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

15 days ago

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Upper triangular matrix
Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

15 days ago

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Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

15 days ago

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Determine the Anti-diagonal of a Magic Square
Determine the anti-diagonal (crossing from top right to lower left) of a magic square of size n. Examples If n = 3 y =...

15 days ago

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Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

15 days ago

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My Problem, Find the square of the horizontal concatenation of the third and fifth elements of a vector.
given the 1x5 vector x, y must be the square of the horizontal concatenation of the third and fifth elements. So, if x = [1 1 1 ...

15 days ago

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"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

5 months ago

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find out eigenvector of matrix
find out eigenvector of matrix A =eye(3); Answer is [0 0 1; 0 1 0; 1 0 0];

5 months ago

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Matlab Basics II - Determine if an array has a 3rd dimension
For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D

5 months ago

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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

5 months ago

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Element by element multiplication of two vectors
Given two input vectors, return the element-by-element product. Example A = [1 2 3] B = [7 3 1] The answer should be...

5 months ago

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Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

5 months ago

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Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

5 months ago

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Replace values under a limit
For a vector x and number n, the goal is to find every element of x inferior to n and replace it by n. Example x= [ 1 2 3...

5 months ago

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Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

5 months ago

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Sum of integers numbers
Sum of the numbers from 1 to 100

5 months ago

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Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

5 months ago

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Reverse a string
Reverse the given string. Example input = 'reverse' output = 'esrever'

5 months ago

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Find the area of a triangle
Given a triangle with a base b and height h, return the triangle area.

5 months ago

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Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...

5 months ago