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Create a square matrix of multiples

Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

1 year ago

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Back to basics 7 - Equal NaNs

Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

1 year ago

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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

1 year ago

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Multiply by 3

Given the variable x as your input, multiply it by three and put the result in y.

1 year ago

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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

1 year ago

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02 - Vector Variables 4

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2d.png>> (Logarithmically spaced numbers between 1 and 1...

1 year ago

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All capital?

Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

1 year ago

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Number of Horns on a unicorn!

Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

1 year ago

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Implement a ROT13 cipher

Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

1 year ago

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Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

1 year ago

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QWERTY coordinates

Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

1 year ago

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Squaring Matrix

Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

1 year ago

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2 b | ~ 2 b

Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...

1 year ago

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Find the hypotenuse

Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

1 year ago

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Unit Matrix

Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

1 year ago

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Determine the square root

Determine the square root of the value the user has entered, n.

1 year ago

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Area of a Square

Inside a square is a circle with radius r. What is the area of the square?

1 year ago

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So many choices

For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

1 year ago

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Reindex a vector

You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

1 year ago

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Back to basics 9 - Indexed References

Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

1 year ago

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03 - Matrix Variables 5

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3e.png>>

1 year ago

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03 - Matrix Variables 6

Make _fMat_ be a 5x3 matrix of random integers with values from -3 to 3 (Hint: use *randi*)

1 year ago

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03 - Matrix Variables 2

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3b.png>> A 9x9 matrix of zeros, but with the following v...

1 year ago

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Beginner's Problem - Squaring

Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

1 year ago

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Solving Quadratic Equations (Version 1)

Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

1 year ago