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Assignment Problem
Given a matrix where row i corresponds to person i, and column j corresponds to task j and cell (i,j) corresponds to the time ta...
9 years ago
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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...
9 years ago
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Multiply by 3
There are many ways to obtain 3 times a number. You could multiply by 3, add the number 3 times, multiply by 6 and then subtract...
9 years ago
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Find the sum of n squares
What is the sum of the squares of the first n integers?
9 years ago
Answered
Why are title and x/y lable not listed in Children property of axes?
The answer is that those aren't axes children. Here is documentation page that mention it: <https://nl.mathworks.com/help/matla...
Why are title and x/y lable not listed in Children property of axes?
The answer is that those aren't axes children. Here is documentation page that mention it: <https://nl.mathworks.com/help/matla...
9 years ago | 0
Submitted
Floating point relational operator.
Numerical comparison with specified precision.
9 years ago | 1 download |
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Replace values out of an interval with the lower or upper values
For a vector or matrix X and an interval [n1,n2], the function replace every element of x inferior to n1 by n1, and every elemen...
9 years ago
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Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...
9 years ago
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unique with nan
input x = [2 NaN 3 5 NaN; 1 NaN 4 9 NaN; 8 -2 7 6 -2; 7 4 8 5 4]; output y_correct = [2 ...
9 years ago
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Crunch that matrix!
You are given an M x N matrix. Write a script that will compress this matrix into an M x (N/3) matrix, where each of the terms ...
9 years ago
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Numerical Integration
Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...
9 years ago
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Convert nested struct-array to numeric array
Sometimes data happens to be nicely structured in a struct-array, distributed over various levels of the struct, according to th...
9 years ago
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Detect pair of equal values in a Matrix
A 2D matrix of 2 rows and N columns with random integer numbers. A = [3 1 2 4 6 6 7; 7 3 2 1 5 2 4] ...
9 years ago
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Block average ignoring NaN values
Given a matrix, calculate the block average of each disjoint sub-matrix while ignoring *NaN* values. Assume that the size of the...
9 years ago
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Block average
Given a matrix, calculate the block average of each disjoint sub-matrix of the same size. Assume that the size of the matrix alo...
9 years ago
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Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...
9 years ago
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Fifteen Parity Check
The Matlab function fifteen initializes the 4x4 array with randperm(16), which produces 50% unsolvable puzzles. A <https://en.wi...
9 years ago
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Does this dress make me look fat
For the input string "Does xyz make me look fat" output the string "No, xyz does not make you look fat"
9 years ago
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means
Calculate the arithmetic, the geometric and the harmonic mean of a given vector (with positive elements) and return them in a ve...
9 years ago
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Wien's displacement law
Given the black body temperature (in *Celsius*), output the weavelength (in *meters*) at which the radiation peaks, according to...
10 years ago
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Isothermal Expansion
Given the initial pressure and volume of an ideal gas, calculate the new volume, given the new pressure. Hint: <https://en.wi...
10 years ago
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Lambert's W
Matlab cody does not support lambertw. Try to create a lambert's w function yourself. Lambert's W is the function that solves...
10 years ago
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RGB to CMYK
Convert an RGB code to the corresponding CMYK code for printing. The RGB input is a [1×3] double array between 0 and 1. ...
10 years ago
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Sum two real numbers
It seems easy, but... You cannot use +, -, plus, diff, cumsum, *, prod, times, etc.
10 years ago
Answered
Rotate Meshgrid 45 Degrees
theta = 45; x2 = x*cosd(theta) - y*sind(theta); y2 = x*sind(theta) + y*cosd(theta);
Rotate Meshgrid 45 Degrees
theta = 45; x2 = x*cosd(theta) - y*sind(theta); y2 = x*sind(theta) + y*cosd(theta);
10 years ago | 0
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Babylonian method
Calculate the square root of a given positive number a using the Babylonian method (https://en.wikipedia.org/wiki/Methods_of_co...
10 years ago
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Coefficients and vertex of a parabola given 3 points
Given 3 points, each defined by x and y, compute the coefficients: [a,b,c] of a parabola with equation: y = ax^2 + bx + c passin...
10 years ago
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Increasing sub-sequence (Level 1)
Given a vector, v, of real numbers, return a positive integer, n, representing the longest contiguous increasing sub-sequence co...
10 years ago
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Number of bytes required to store a sparse matrix
The input is always a *sparse* matrix : x = sparse(100,1000,0.01); >>whos x shows that 4016 bytes ares required . ...
10 years ago