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Lagrange Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

約13年前

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Infinite precision division
Develop a function that will divide a very very large integer numerator, supplied to function as a string (e.g., '12233344445555...

約13年前

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When can one be the Life Member of the IEEE?
Consult the site http://en.wikipedia.org/wiki/Ieee from where it can be seen that IEEE Members who have reached the age of 65 an...

約13年前

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first step for Huffman Coding (easy)
Given a string, you must sort the characters by occurrence (from lowest to highest). This step is necessary to generate a Huf...

約13年前

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Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

約13年前

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Which quadrant?
Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

約13年前

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Mann-Kendall Correlation
Write a function that returns the <http://en.wikipedia.org/wiki/Kendall_tau_rank_correlation_coefficient Mann-Kendall> correlati...

約13年前

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Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

約13年前

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Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...

約13年前

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Non-zero bits in 10^n.
Given an integer that is a power of 10, find the number of non-zero bits, k, in its binary representation. For example: * ...

約13年前

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Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

約13年前

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Flexible Anonymous Function
Given a function handle, return a handle to a function that would accept an arbitrary number of inputs, applies the function to ...

約13年前

問題

Mystery problem
Given integer x between 1 and 50, return integer y=mystery(x), where mystery(1) = 111 mystery(6) = 809 ... mystery...

約13年前 | 3 | 14 個のソルバー

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Mystery problem
Given integer x between 1 and 50, return integer y=mystery(x), where mystery(1) = 111 mystery(6) = 809 ... mystery...

約13年前

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Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal.

約13年前

問題

Mean ignoring NaNs
Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

約13年前 | 2 | 52 個のソルバー

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Mean ignoring NaNs
Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

約13年前

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Diophantine Equations (Inspired by Project Euler, problem 66)
Consider the quadratic Diophantine equation of the form: x^2 – Dy^2 = 1 When D=13, the minimal solution in x is 6492 – 13×...

約13年前

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What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

約13年前

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Create an 'arrow-head" matrix
Write a function that when given an odd number, produces an arrow-head function pointing to the right. Examples n = 3 ...

約13年前

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Two-output anonymous function?
Return a function handle that when applied to an input, it produces two outputs: the first is the same as the input, and the sec...

約13年前

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Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

約13年前

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Angles of the hands of a clock
For this problem, consider an analog (or at least continuous digital representation) of a clock. Our clock is a 12 hour clock w...

約13年前

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Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

約13年前

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FizzBuzz
<http://c2.com/cgi/wiki?FizzBuzzTest FizzBuzz Test> The "Fizz-Buzz test" is an interview question designed to help filter out...

約13年前

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

約13年前

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Numerical Integration
Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...

約13年前

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Distance walked 2D
Suppose you go from x-y coordinates [3,4] to [0,0] to [0,1] to [1,1], then you walked 7 units of distance.

約13年前

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linear least squares fitting
Inputs: * |f|: cell-array of function handles * |x|: column vector of |x| values * |y|: column vector of |y| values, same l...

約13年前

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Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

約13年前