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Feeds
Risolto
Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...
7 mesi fa
Risolto
Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?
7 mesi fa
Risolto
Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?
7 mesi fa
Risolto
Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?
7 mesi fa
Risolto
Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?
7 mesi fa
Risolto
Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?
7 mesi fa
Risolto
Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?
7 mesi fa
Risolto
Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?
7 mesi fa
Risolto
Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...
7 mesi fa
Risolto
Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...
7 mesi fa
Risolto
Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle
quasi 2 anni fa
Risolto
Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.
quasi 2 anni fa
Risolto
Pi Digit Probability
Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...
quasi 2 anni fa
Risolto
Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given number of...
quasi 2 anni fa
Risolto
radius of a spherical planet
You just measured its surface area, that is the input.
quasi 2 anni fa
Risolto
Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>
quasi 2 anni fa
Risolto
Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...
quasi 2 anni fa
Risolto
Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...
quasi 2 anni fa
How can I insert a variable into a plot legend, with a special character following the variable?
You can use sprintf formatting to get the variable inserted. You can also set the legend interpreter for latex formatting to get...
quasi 2 anni fa | 0
I can't see the cosine graph. How do I generate the cosine graph using 2^10 samples?
You should be able to just get rid of the for loop, ydata = 5 + 10*cos(2*pi*time+pi/6)
oltre 2 anni fa | 0
I made a folder with 12 .fig files, I am attempting to convert these to jpeg using a loop.
You can do it by running this code while inside the Figures directory files = ls; % get filenames of everything in that directo...
oltre 2 anni fa | 0
Basic FFT Question: What range to sample the function in.
When you perform an FFT, it is assumed that the original signal is on a timespan from [0 to 2*pi]. When you pass these signals a...
oltre 2 anni fa | 0
Risolto
Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...
quasi 3 anni fa
Risolto
Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...
quasi 3 anni fa
Risolto
Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...
quasi 3 anni fa
Risolto
Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1 1 ...
quasi 3 anni fa
Risolto
Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...
quasi 3 anni fa
Risolto
Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...
quasi 3 anni fa
