# PRM

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**Content Feed**

Solved

An Ohm's Law Calculator

*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

ongeveer 19 uur ago

Solved

Getting the indices from a matrix

Inspired by Problem 645. Getting the indices from a matrix. Given a matrix A (or a vector), return the indices (always in row...

ongeveer 19 uur ago

Solved

Add a row of zeros on top of a matrix

Given a matrix, insert a row of zeros as the top row.

ongeveer 19 uur ago

Solved

No Twins?

Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...

ongeveer 19 uur ago

Solved

Basic commands - Least common multiple

Make a function which will return least common multiple of "a" and "b" Example: a=8; b=6; y=24;

ongeveer 19 uur ago

Solved

Calculate the sum of elements of n*n Hilbert matrix.

Calculate the sum of elements of n*n Hilbert matrix. For example, for n=5: HilbertMatrix = [1.0000 0.5000 0.333...

ongeveer 19 uur ago

Solved

Basic commands - rounding

make a function which will round to integer, which is nearer to zero. Example x=[-2.5 2]; y=[-2 2];

ongeveer 19 uur ago

Solved

Given a square and a circle, please decide whether the square covers more area.

You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

1 dag 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...

1 dag ago

Solved

Replacing a row

For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

1 dag ago

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Kelvin to Celsius

Degrees Celsius = degrees Kelvin - 273.15. Given a temperature in Kelvin, return the equivalent temperature in Celsius.

1 dag ago

Solved

Back to basics 4 - Search Path

Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...

1 dag ago

Solved

Area of a Square

Given the length x of the side of a regular square, find the area of the square, A.

1 dag ago

Solved

Compare two input matrices

Check which input matrix has more elements. Return "1" if matrix A has more elements than matrix B. Otherwise return "0". Exa...

1 dag ago

Solved

Find the product of a Vector

How would you find the product of the vector [1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] times 2?; x = [1 : 0.5 : 6]; y ...

1 dag ago

Solved

Matlab Basics II - Free Fall

An object freely falling from rest under gravity covers a distance x given by: x = 1/2 gt^2 write a function that calculat...

1 dag ago

Solved

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]

1 dag ago

Solved

Flip the main diagonal of a matrix

Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

1 dag ago

Solved

Sum the squares of numbers from 1 to n

For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

1 dag ago

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

1 dag ago

Solved

Back to Basics - Find no. of elements in a matrix?

Let A be a m*n matrix. Find the total no. of elements in A ? (Hint - formula based) A = [1 2 3;4 5 6]; output = 6

1 dag ago

Solved

Determine the length of a string of characters

Determine the length of a string of characters

1 dag ago

Solved

DC chopper

Input x is the sampled signal vector, may have both AC and DC components. output vector y should have AC components removed then...

1 dag ago

Solved

Flip the bit

Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

1 dag ago