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DURCHSCHNITTLICHE ANZAHL DER LIKES
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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. ...
14 Tage vor
Gelöst
Scalar
The First problem in Linear Algebra group. Make scalar contains the value:
14 Tage vor
Gelöst
Row Vector
The second problem in Linear Algebra group. Create this vector in MATLAB: [7 8 26]
14 Tage vor
Gelöst
Column Vector
The third problem in Linear Algebra group. Create a column vector like this:
14 Tage vor
Gelöst
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 ...
14 Tage vor
Gelöst
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...
14 Tage vor
Gelöst
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...
16 Tage vor
Gelöst
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...
16 Tage vor
Gelöst
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...
16 Tage vor
Gelöst
Almost done with the "tutorial"(Perimeter of a circle)
Find the perimeter of a circle(P) if radius r is given.
16 Tage vor
Gelöst
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...
16 Tage vor
Gelöst
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. ...
16 Tage vor
Gelöst
Calculate Requirement Margin
Engineering requirements often specify a limit, while the actual system performance may be better or worse than that limit. Giv...
18 Tage vor
Gelöst
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.
18 Tage vor
Gelöst
Matrix
The fourth problem in Linear Algebra group. Create a matrix like this: 14 7 26 7 8 6 3 0 30
18 Tage vor
Gelöst
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.
18 Tage vor
Gelöst
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 ...
18 Tage vor
Gelöst
Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...
18 Tage vor
Gelöst
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...
4 Monate vor
Gelöst
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...
4 Monate vor
Gelöst
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 ...
4 Monate vor
Gelöst
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...
4 Monate vor
Gelöst
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];
4 Monate vor
Gelöst
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...
4 Monate vor
Gelöst
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 ...
4 Monate vor
Gelöst
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...
4 Monate vor
Gelöst
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...
4 Monate vor
Gelöst
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 Monate vor
Gelöst
Parcel Routing
Given a matrix that represent the distance along highways between major cities numbered 1 to _N_, provide the path and shortest ...
4 Monate vor
Gelöst
Graph Algorithms 3: Number of Connected Components
Given an adjacency matrix of a simple undirected graph, find the number of connected components.
4 Monate vor
