Community Profile # Lukas

10 total contributions since 2015

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solving unknown variables in matrices
You need to solve an linear optimization problem A*x = b. Each line is one of your points P,Q,R. b is the solution vector and ...

2 years ago | 1

| accepted

how to find the weighted sum of two matrices of order 2778x6, the same is like this. any suggestion.
I assume, you want to calculate the sum of each matrix element. Weights are defined for each matrix (and usually sum up to 1). ...

2 years ago | 0

Possible bug in struct2table()
As this error only occurs with (1x1) structs, there is a simple workaroud. To convert a struct into a table, use the following c...

3 years ago | 1

Solved

Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

5 years ago

Solved

For a given linear index as input for n sized square matrix, find corresponding row and column.
If input is 1, the row and column will be 1 and 1 respectively.

5 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 years ago

Solved

Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

5 years ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

5 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

5 years ago

Solved

Get all corner elements from a matrix where dimension of matrix is always equal to or greater than 2.
if a given matrix a = [1 2 3;4 5 6]; so answer is going to be [1 3;4 6]

5 years ago