Problem
Create block matrix of integers (j+k-1) - Part I
Given m, n, p, and q, create a matrix of m-by-n blocks (submatrices), each sized p-by-q. The elements of the (j,k)th block all h...
fast 4 Jahre vor | 4 | 124 Lösungsvorschläge
Problem
Dartboard Average II
A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...
fast 4 Jahre vor | 1 | 117 Lösungsvorschläge
Problem
Dartboard Average I
A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...
fast 4 Jahre vor | 3 | 183 Lösungsvorschläge
Problem
Possible Rugby Scores
Given a natural number s (> 4), representing a rugby team's score, return an n-by-3 matrix representing all n possible combinati...
fast 4 Jahre vor | 7 | 120 Lösungsvorschläge
Problem
Calculate Angle From Axis
Given coordinates x and y, an axis ("X" or "Y"), and a direction ("cw" or "ccw", meaning clockwise and counterclockwise, respect...
fast 4 Jahre vor | 7 | 219 Lösungsvorschläge
Gelöst
Power Outages Histogram
Create a function that takes power outage data as an input and creates a histogram of the number of outages as a function of Reg...
fast 4 Jahre vor
Gelöst
Reproduce this plot!
Write a function that will take a dataset (x,y), a best fit model (model), and the upper and lower prediction bounds (lb,ub) for...
fast 4 Jahre vor
Gelöst
3D Plots and Colorbars
Use the matrices X, Y, and Z provided in the function template to create a surface plot. Add a colorbar to the surface plot and ...
fast 4 Jahre vor
Gelöst
Jack O'Lantern
If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern. Create a function that will visu...
fast 4 Jahre vor
Gelöst
Adding Inset Plots
You can use the axes function to define the position of an empty x/y axis. The position is measured relative the the bottom left...
fast 4 Jahre vor
Problem
Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...
fast 4 Jahre vor | 8 | 683 Lösungsvorschläge
Problem
Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...
fast 4 Jahre vor | 8 | 471 Lösungsvorschläge
Problem
Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...
fast 4 Jahre vor | 6 | 734 Lösungsvorschläge
Gelöst
The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
fast 4 Jahre vor
Gelöst
Poly2mask, drawpolygon or patch
Recently, I tried to plot a polygon in matlab, and I found there is a lot of embedded function that can be used. However, some f...
etwa 4 Jahre vor
Gelöst
Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 = 9 + 16 ...
etwa 4 Jahre vor
Gelöst
Project Euler: Problem 8, Find largest product in a large string of numbers
Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...
etwa 4 Jahre vor
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Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...
etwa 4 Jahre vor
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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...
etwa 4 Jahre vor
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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.
etwa 4 Jahre vor
Gelöst
We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...
mehr als 4 Jahre vor
Gelöst
Musical Note Interval 1 - Diatonic Scale
Assuming a simple diatonic C scale, calculate the interval (integer) between two notes (provided as strings). By applying number...
mehr als 4 Jahre vor
Gelöst
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
fast 5 Jahre vor
Beantwortet
How do I display my secant method iteration values in a table?
If you want to display things nicely, you can use fprintf to format things into text. If the primary concern is getting the valu...
How do I display my secant method iteration values in a table?
If you want to display things nicely, you can use fprintf to format things into text. If the primary concern is getting the valu...
fast 5 Jahre vor | 0
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Beantwortet
Matalb Academy - Reinforcement Learning Onramp: submission failed
There was a change in R2021a that caused an incompatibility. We have a fix ready that will go out with the next update to the tr...
Matalb Academy - Reinforcement Learning Onramp: submission failed
There was a change in R2021a that caused an incompatibility. We have a fix ready that will go out with the next update to the tr...
mehr als 5 Jahre vor | 3
Gesendet
Conditionally colored line plot
Plots (2D line) graph split into two colors above and below a given threshold value
mehr als 6 Jahre vor | 1730 Downloads |
Gesendet
Simple real Fourier series approximation
Computes coefficients for the real Fourier series approximation to a data set.
mehr als 6 Jahre vor | 6471 Downloads |
Beantwortet
Assign a number to a letter in excel
I don't understand what you're trying to get out of the original data. If you do diff(X2) you'll get [1 -1 0 0 0...
Assign a number to a letter in excel
I don't understand what you're trying to get out of the original data. If you do diff(X2) you'll get [1 -1 0 0 0...
mehr als 6 Jahre vor | 0
Gelöst
Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...
fast 7 Jahre vor
Gelöst
Solve a System of Linear Equations
Given a constant input angle θ(theta) in radians, create the coefficient matrix(A) and constant vector(b) to solve the giv...
fast 7 Jahre vor