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...
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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...
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Bit to Gigabyte
1 bit =
1.25 × 10^-10 gigabytes | x is bit | y is gigabyte
Check if sorted
Check if sorted.
Example:
Input x = [1 2 0]
Output y is 0
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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...
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MATLAB Basic: rounding IV
Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
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MATLAB Basic: rounding III
Do rounding towards minus infinity.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 8
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MATLAB Basic: rounding II
Do rounding nearest integer.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 9
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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...
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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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Create a vector
Create a vector from 0 to n by intervals of 2.
Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.]
Non-scored bonus...
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Convert from Fahrenheit to Celsius
Given an input vector F containing temperature values in Fahrenheit, return an output vector C that contains the values in Celsi...
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Weighted average
Compute the weighted average Y, of the vector A, given the weight vector W.
The weighted average is the sum of the dot produc...
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
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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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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes.
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If you want to get a random permutation of integer...
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Number of 1s in a binary string
Find the number of 1s in the given binary string.
Example. If the input string is '1100101', the output is 4. If the input stri...