Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.
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Calculate area of sector
A=function(r,seta)
r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...
Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody.
Given an input vector of numbers, output a square array with the...
Squaring Matrix
Square the following matrix using matlab
%
A = 1 2 3 4
5 6 7 8
So new matrix should display...
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Min of a Matrix
Return the minimum value in the given matrix.
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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.
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Convert a vector into a number
This is a sub problem related to this problem:
<http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...
Y=X
Given an input variable x, output a variable y that is equal in value to x.
Example:
Input x = 1
Output y is 1
Inp...
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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix, generate an output matrix that consists o...
Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...
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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1.
Hint: use increment.
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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
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Create a vector
Create a vector from 0 to n by intervals of 2.
Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes.
---
If you want to get a random permutation of integer...
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Summation of array
Given an array, Find the sum of all of the elements in it
Examples:
Input x = [1 2 3 5; 4 5 6 7];
Output y is 33
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04 - Scalar Equations 2
Define the variables a and b:
<<http://samle.dk/STTBDP/Assignment1_4-a.png>>
<<http://samle.dk/STTBDP/Assignment1_4-b.png>...
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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
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Find max
Find the maximum value of a given vector or matrix.