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William


Last seen: Today Con actividad desde 2012

Semi-retired physicist with interests in numerical modeling and mathematics.

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Finding the next number in a number list, are you able to crack it!
So it goes like this, I give a number list and you find the next value! I found a way to do it, just wondering how many other...

alrededor de 4 horas hace

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Write a code to implement the improved Euler's method to integrate a simple function
Euler's method approximates the solution to a differential equation as where . It's possible to improve on Euler's method by ...

2 días hace

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Write a code to implement Euler's method to integrate a simple function
Euler's method approximates the solution to a differential equation as where . The challenge is to write a code that can take...

3 días hace

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Creating a matrix by taking shifted copies of a given vector v as columns
This problem is the same as the problem 761 except that here we are testing it for any given vector ; a row or column vector. Th...

9 días hace

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Průměr z výběrového souboru
Napište funkci, která vrátí průměr z hodnot vektoru data. Např data = [1, 2, 3, 4, 5, 6, 7, 8, 9] je prumer = 5.

11 días hace

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Update course numbers and abbreviations
Suppose that the educational institution where you teach purchases new software to handle many essential functions, including co...

14 días hace

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Orthogonalize 3 column vectors using the Gram-Schmidt process
Use the Gram-Schmidt process to orthogonalize three linearly independent column vectors. Return three output column vectors that...

23 días hace

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Orthogonalize a 2x2 matrix using the Gram-Schmidt process
Use the Gram-Schmidt process to orthogonalize two linearly independent column vectors. Return two output column vectors that are...

23 días hace

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Remove a specific character with another
Remove any (-) dash sign with (_) underscore Ex = 'The-Journey-of-thoudsands-miles-starts-with-a-single-step' y = 'The_Jour...

25 días hace

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Swap between first and last
The idea is to swap between first and last row Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; ...

25 días hace

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Swap between first and last column
The idea is to swap between first and last column Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 ...

25 días hace

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Swap between rows
The idea is to swap between second and second last row Ex = [1 2 3 4 5; 5 4 3 2 1; 1 2 3 4 5; 1 2 3 4 5; ...

25 días hace

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Swap between columns
The idea is to swap between second and second last column Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; ...

25 días hace

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Beam me up, Scotty!
It's the mid 22nd century. You, Montgomery Scott, are appointed the chief engineer of the Starship Enterprise. The Starship is...

alrededor de 1 mes hace

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Compute the unitary totient of a number
The totient function , the subject of Cody Problems 656 and 50182, gives the number of integers smaller than that are relativel...

alrededor de 1 mes hace

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Generate a point cloud named `Incremental Lattice Design`
The input is the number of dimensions M and the parameter H. The output is a point cloud W involving N points. W is N uniforml...

alrededor de 1 mes hace

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List ways to make a sum in Killer Sudoku
In Sudoku, the subject of several Cody problems, one tries to arrange the digits 1 through 9 in a 9x9 grid of 81 cells (or a 3x3...

alrededor de 1 mes hace

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Remove a specific column with min value
Remove the column that contain the min value in the matrix?

alrededor de 1 mes hace

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Remove a specific column with max value
Remove the column that contain the max value in the matrix?

alrededor de 1 mes hace

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Remove a specific row with min value
Remove the row that contain the min value in the matrix?

alrededor de 1 mes hace

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Remove a specific row with max value
Remove the row that contain the max value in the matrix?

alrededor de 1 mes hace

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Summation of Non Zeros Numbers in String Variable
Find the Summation of Non Zeros Numbers in String Variable The input : x = '100205' The Output : y = 8

alrededor de 2 meses hace

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Find Rows with Specift Properities
Delete rows with specific properites as following: Find rows that have a negative value in any element of the row and delete it...

alrededor de 2 meses hace

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Range of Values in a Matrix
Create a function that accepts a matrix of real numbers as input and returns the range of the values contained in the matrix. Th...

alrededor de 2 meses hace

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Getting values from a vector
This exercise is for finding the values that meet your criteria. a = [-5 28 7 83 73]; b = 23 ; c = (a > b) Then : c = ...

alrededor de 2 meses hace

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Count paths between corners of a grid that remain on or below the diagonal
Consider motion from the lower left corner of a square grid to the upper right corner. The motion is constrained in two ways: (1...

alrededor de 2 meses hace

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Create rectangular function.
Rectangular function - Wikipedia

alrededor de 2 meses hace

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Compute the sum of distances from a point to the sides of an equilateral triangle
Write a function to compute the sum of the (shortest) distances from a point inside an equilateral triangle to the sides of the ...

2 meses hace

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Compute the determinant of a divisibility matrix
Consider a matrix consisting of ones in the first column and anywhere the row index divides the column index. The 4x4 matrix is ...

2 meses hace

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Determine aquifer properties: slug test
An important task in characterizing the flow of groundwater is to determine the properties of the aquifer, or the underground wa...

2 meses hace

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