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Reverse the Sign
Write a function that returns the input with the sign of every element reversed. The input may be a scalar, vector, or matrix. ...
alrededor de 18 horas hace
Resuelto
Scalar
The First problem in Linear Algebra group. Make scalar contains the value:
alrededor de 18 horas hace
Resuelto
Row Vector
The second problem in Linear Algebra group. Create this vector in MATLAB: [7 8 26]
alrededor de 18 horas hace
Resuelto
Column Vector
The third problem in Linear Algebra group. Create a column vector like this:
alrededor de 18 horas hace
Resuelto
Find the standard deviation of non-zero elements in a matrix
Given a matrix A, calculate the sample standard deviation of only the non-zero elements. If there are fewer than 2 non-zero ...
alrededor de 18 horas hace
Resuelto
Swap the column given with another one!
We have a random sized matrix A. You have to change the nth column with the kth column. The result must be a matrix B. For exam...
alrededor de 18 horas hace
Resuelto
Geometry time3!(Medium)
This time we have two circles! The shape is given below: You are requested to calculate the area of the two circles(A1 ,A2) g...
3 días hace
Resuelto
Geometry time!(easy)
Suppose that we have a square and its Area is given. Then we have the following circle (with center O) which has the same radius...
3 días hace
Resuelto
Test your geometry knowledge!(simple)
We have the following shape and you need to: 1) Find the area of the triangle ABE(A_tr). (Suppose that the angle E is 90 degree...
3 días hace
Resuelto
Almost done with the "tutorial"(Perimeter of a circle)
Find the perimeter of a circle(P) if radius r is given.
3 días hace
Resuelto
Not yet geometry(square, rectangle and trapezium)
Type the formula of the area of a square(Asq) of side(a), a rectangle(Arec) of length(l) and width(w) and of a trapezium(Atr) of...
3 días hace
Resuelto
Not yet geometry(Circles)
Type the formula of the area(Ac) of a circle with radius r and a sector of a circle(As) with radius r and angle theta in rads. ...
3 días hace
Resuelto
Calculate Requirement Margin
Engineering requirements often specify a limit, while the actual system performance may be better or worse than that limit. Giv...
5 días hace
Resuelto
Not yet geometry(equilateral triangle)
Type the formula of the area(A) of an equilateral triangle with a side of a. Tip: As a string.
5 días hace
Resuelto
Matrix
The fourth problem in Linear Algebra group. Create a matrix like this: 14 7 26 7 8 6 3 0 30
5 días hace
Resuelto
Not yet geometry(triangles)
Write the formula of the area of a triangle(A) that has a height of h and a base of b. Tip: Write the formula as a string.
5 días hace
Resuelto
Big numbers, repeated least significant digits
This problem builds off of Problem 3077 Given an integer x which contains d digits, find the value of (minimum) n (n > 1) such ...
5 días hace
Resuelto
Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...
5 días hace
Resuelto
Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...
3 meses hace
Resuelto
Vandermonde Matrix
Create the Vandermonde Matrix of the given vector. The matrix consists of columns as powers of the vector, so the first column i...
3 meses hace
Resuelto
Make a rainbow matrix (follow-up to checkerboard matrix)
Given an integer n, make an n-by-n matrix as shown below. The a(1,1) should be 0. As we move away from the top-left, the number ...
3 meses hace
Resuelto
Tent matrix
Create an n x n matrix that resembles one kind of tent. The variable n is provided to the function and will be an odd number. As...
3 meses hace
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Produce the following matrix
Produce the following matrix x = [2 3 4] y_correct = [1 1/2 1/3; 2 1 1/4; 3 4 1];
3 meses hace
Resuelto
The MATLAB Treasure Hunt – Unlock the Final Chamber by Solving the Ancient Numeric Cipher
You’ve reached the Final Chamber, where a glowing pedestal displays a sequence of numbers. The inscription reads: “Only the su...
3 meses hace
Resuelto
The MATLAB Treasure Hunt – Locate the Hidden Treasure in the Chamber of Coordinates
Inside the Chamber of Coordinates, glowing runes show several coordinate points on a 2D grid. The treasure lies closest to the ...
3 meses hace
Resuelto
The MATLAB Treasure Hunt – Cross the River of Ratios by Finding Successive Proportions in the Data Stream
Following the glowing script, you arrive at the River of Ratios — a flowing stream of numbers. A carved message on the rocks re...
3 meses hace
Resuelto
The MATLAB Treasure Hunt – Extract the Hidden Cave’s Coordinates from a Long List of Numbers
After decoding the first clue, you uncover another piece of parchment — a long list of numbers. At first glance, it looks random...
3 meses hace
Resuelto
Mobius function
From wikipedia: For any positive integer n, define μ(n) as the sum of the primitive n-th roots of unity. It has values in {−1, ...
4 meses hace
Resuelto
Parcel Routing
Given a matrix that represent the distance along highways between major cities numbered 1 to _N_, provide the path and shortest ...
4 meses hace
Resuelto
Graph Algorithms 3: Number of Connected Components
Given an adjacency matrix of a simple undirected graph, find the number of connected components.
4 meses hace
