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Convert a diagonal representation of a matrix element to linear index or subscripts
Elements in matrices in MATLAB can be retrieved by linear index or subscripts. For example, the 1 in the matrix below has a line...

28 días hace

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Translating even-degree polynomial by its vertex to the origin
Let p be an even-degree polynomial such that has a unique vertex (single global extremum). Consider its translation by shifting ...

28 días hace

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Pascal's Triangle
Create a matrix of size N x N containing a Pascal's Triangle that starts from the upper left corner according to the test cases ...

29 días hace

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Translating parabola by its vertex to the origin
Given a quadratic polynomial, p(x) = ax^2 + bx + c (a ~= 0), represented by the vector [a b c], consider the translation of the ...

alrededor de 1 mes hace

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Shifting vertically a function's graph
Given a real function, f, by n input-output pairs, consider a translation in the up-down direction given by an amount k. For a ...

alrededor de 1 mes hace

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FEN Chess Notation
Given an 8-by-8 character matrix representing a chess board, convert it to FEN (Forsyth-Edwards Notation) board position format....

alrededor de 1 mes hace

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find the nth number (plus)
this problem is the harder version of Problem 61014. The numbers 2 and 7 are called lucky numbers, an integer containing only t...

alrededor de 1 mes hace

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Moving Movsum
Given a vector (x) and a window (y), calculate the sum s(k) corresponding to k-y(k)+1:k values of x %%Example 1 x = [1 2 3 4...

alrededor de 1 mes hace

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Calculating Swimming Stroke Index (SI)
In competitive swimming, speed () is only one part of the equation. High efficiency is defined by moving fast while maintaining ...

alrededor de 2 meses hace

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Apply the planing transform to natural numbers
Claude Lenormand’s planing (or raboter, in French) transform removes one element from each run in a sequence; that is, imagine a...

alrededor de 2 meses hace

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Point on a line
Find the slope of the straight line between the points a and b. Then find y at x=20.

alrededor de 2 meses hace

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X-intercepts of a quadratic.
Find the y value of the quadratic of the function at a point x.

alrededor de 2 meses hace

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Addition II
find a+b+c+d

alrededor de 2 meses hace

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PEMDAS

alrededor de 2 meses hace

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Write a string
The answer should be a string that is the value: "I like apples!" (Ignore the quotation marks, just write what is inside the ...

alrededor de 2 meses hace

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Division
Divide a by b.

alrededor de 2 meses hace

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Subtraction
Subtract a from b.

alrededor de 2 meses hace

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Squares
Find the square of x.

alrededor de 2 meses hace

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Multiplication
Multiply a and b.

alrededor de 2 meses hace

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Addition
Add together the values of a and b.

alrededor de 2 meses hace

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Sum of even numbers in a vector
Write a function that takes a vector of numbers and returns the sum of all the even numbers in the vector.

alrededor de 2 meses hace

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Need Points From Creation

alrededor de 2 meses hace

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Linearly Spaced Array
Create a linearly spaced array from 0 to x consisting of y elements.

alrededor de 2 meses hace

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CumulativeCumulative Count
This is a sequel to Problem #60994 - Cumulative Count. Given a row vector of integers with repeating values - here not all re...

alrededor de 2 meses hace

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Mach Number Calculator
Create a solver which converts a speed in km/s to a Mach Number Round to 2 decimal places Requires: Mach Number Formula (ea...

alrededor de 2 meses hace

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The Secret Code of Mars
NASA has intercepted a mysterious signal from Mars filled with random letters and numbers. Scientists believe each number in the...

alrededor de 2 meses hace

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Find the logic and return the nth number
given a sequence of numbers arranged in the following order: A=0,1,3,4,9,10,12,13,27,28,30,31,36,37,...... Write a function th...

alrededor de 2 meses hace

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No Fives Permitted
Create a function that gives users an custom error message if the matrix A contains a five. The error message should say "No Fiv...

alrededor de 2 meses hace

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The Five Infection (Boss Level)
Given a 3x3 matrix A, replace: every value that is equal to five every value that is directly adjacent to a five with zero in...

alrededor de 2 meses hace

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Slicing a 4-pointed star polygon
Given the area, A, of a 4-pointed star polygon formed by the rectangle, with dimensions L×2L, and four triangles, with height h ...

alrededor de 2 meses hace