Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...
約2年 前
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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x?
<<https://i.imgur.com/jlZDHhq.png>>
...
約2年 前
解決済み
Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x.
<<https://i.imgur.com/jlZDHhq.png>>
Image courtesy of <http://up...
Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer:
e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2
約2年 前
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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places:
e.g. x = 2.3456 --> y = 2.346
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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...
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MATLAB Basic: rounding IV
Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
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MATLAB Basic: rounding III
Do rounding towards minus infinity.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 8
約2年 前
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MATLAB Basic: rounding II
Do rounding nearest integer.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 9
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...
約2年 前
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Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.]
Non-scored bonus...
Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle.
<<https://imgur...
約2年 前
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Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if
list = {'Barney Google','Snuffy Smith','Dagwood ...
Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
約2年 前
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square root
Find the square root (y) of an input (x).
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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix and row and column, output the index of th...
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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes.
---
If you want to get a random permutation of integer...
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Squaring Matrix
Square the following matrix using matlab
%
A = 1 2 3 4
5 6 7 8
So new matrix should display...
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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...
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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for:
A = [ 1 5 8 ]
then
B = [ 1 1 5 ...
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 to use d...
約2年 前
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find radius of cone
if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R)
for example I=5,h=4 then the ans R=3;