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Solve all the problems in Introduction to MATLAB problem group
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Feeds
Question
Color of surf function
I wamt to plot 3 spheres with different colours. But i am unable to do it. I am sharing the code as well. Thank you for your hel...
bijna 2 jaar ago | 2 answers | 0
2
answersQuestion
intersection of 3d convex hull
https://in.mathworks.com/matlabcentral/fileexchange/30892-analyze-n-dimensional-convex-polyhedra?s_tid=srchtitle The intersec...
ongeveer 2 jaar ago | 1 answer | 0
1
answerQuestion
Convert convexhull to stl file
I have a set of 3d coordiante points. How can i convert the convert the convex hull into stl file. p = [113.6466 111.8984 112...
ongeveer 2 jaar ago | 1 answer | 0
1
answerQuestion
does convex hull intersect?
Hello. The codes shown produces two convhull. I want to generate a parameter p such that if convhull intersect, p=false else, ...
meer dan 2 jaar ago | 2 answers | 0
2
answersQuestion
does two polygons interest or not?
Let's say these are two non interscting ploygons (shown below). How can i get a logical relationship out of this. Something li...
meer dan 2 jaar ago | 2 answers | 0
2
answersQuestion
if and else loop problem
if (loop==false && centre(ii,1)<95 ) centre(ii,:) = centre(ii,:)+ [0.1 0]; elseif (loop==false && centre(ii,2)<95)...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
How to export a 3d surface to Ansys apdl?
I want to export a complex geomtery from matlab to ansys apdl for meshing. For example how can i import the sphere shown below t...
meer dan 2 jaar ago | 0 answers | 0
0
answersQuestion
how to decrease the x-axis from left to right
plot option increses the axis from left to right. How can we reverse this (decrese the x-axis from left to right), something lik...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
how to determine the trace of the graph.
Let's say i have plotted a cylinder in the matlab graph. Code is given below. r = 4; [X,Y,Z] = cylinder(r); h = 20; Z = Z*h...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
assigning of multiple arrays
I have 5 different arrays of same size. How can i optimize this? Something like rhoo = thetaa = thetaa1 = thetaa2 = zeros(ss2,1...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
Can we rotate the plot(x, y)
for w=0.5:0.1:1 l = w; thet = 0:1:60; theta = thet .*(pi/180); c = cos(theta); p = 4*(1-l^2).*(c.^2) + (2*l - 1)^2; q = 2*...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
Error while plotting the polar plot
%I have an expression which is plotted using the polarplot. a = 1/(2.*cos(theta)) e = 0.5; thet = -60:1:60; theta = thet .*...
meer dan 2 jaar ago | 1 answer | 0
1
answerSolved
Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10
bijna 4 jaar ago
Solved
Pattern Sum
Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...
bijna 4 jaar ago
Solved
Get all prime factors
List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...
bijna 4 jaar ago
Solved
Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...
bijna 4 jaar ago
Solved
Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...
bijna 4 jaar ago
Solved
Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....
bijna 4 jaar ago
Solved
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
bijna 4 jaar ago
Solved
Proper Factors
Generate the proper factors of input integer _x_ and return them in ascending order. For more information on proper factors, ref...
bijna 4 jaar ago
Solved
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...
bijna 4 jaar ago
Question
How to factorize 13916767508299776?
Hi, I want to factorize 13916767508299776 into its prime factors. How can ew do that? Thanks in advance.
bijna 4 jaar ago | 2 answers | 0
2
answersSolved
Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...
bijna 4 jaar ago
Solved
Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...
bijna 4 jaar ago
Solved
Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
bijna 4 jaar ago
Solved
Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...
bijna 4 jaar ago
Solved
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
bijna 4 jaar ago
Solved
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
bijna 4 jaar ago
Solved
Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
bijna 4 jaar ago
Solved
Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
bijna 4 jaar ago
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