Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.
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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...
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Momentum of an Object
P is momentum, m is mass, and v is velocity. Calculate the momentum for an object.
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Speed
x is distance, v is speed, and t is time. Calculate the speed for an object.
Kinetic Energy
Given mass, m, and kinetic energy, KE, find the velocity of the object.
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Calculate Resistance 2
In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...
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An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:*
Many important observations in math and science can be described by short, but powerful, equations...
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Calculate Resistance
Calculate Resistance R of a linear conductor having resistivity p, length l and area A
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Box!
Given a box, find the volume of the cube. With each side = a.
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so:
x = [1 2 3 4]
Commas are optional, s...
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.]
Non-scor...
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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because
6 = 1 + 2 + 3
which can be displa...
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B.
So if
A = [1 2 3;
4 5 6];
...
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Max of a Vector
Write a function to return the max of a vector
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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers.
Examples:
[index1 index2] = nearestNumbers([2 5 3...
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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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x.
<<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...