IFM
University of Oxford
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A bit of mathematician, engineer and computer scientist all rolled into one. I spend most of my time teaching MATLAB to engineers.
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DURCHSCHNITTLICHE ANZAHL DER LIKES
Feeds
Gelöst
Plot Line Specifications
Create a line plot for function cos(x) where x is a vector of linearly spaced values going from 0 to input N with an increment o...
5 Monate vor
Gelöst
Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
6 Monate vor
Gelöst
Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
6 Monate vor
Gelöst
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
6 Monate vor
Gelöst
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
6 Monate vor
Gelöst
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
6 Monate vor
Gelöst
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
6 Monate vor
Problem
Find stiffness of all beams for single floor in building
Create a function that finds this stiffness k of all the beams (also known as 'stanchions') for one floor of a three storey buil...
7 Monate vor | 0 | 4 Lösungsvorschläge
Problem
Find mass of single floor in building
A model building has three floors are highlighted in different colours here: Assu...
7 Monate vor | 0 | 14 Lösungsvorschläge
Gelöst
Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.
7 Monate vor
Gelöst
Dog Statistics
The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...
7 Monate vor
Gelöst
Estimating Euler's (Oi-ler-z) Number
Euler's number is an irrational constant given by Starting with x=0, count the number of times you can add a uniformly distrib...
7 Monate vor
Gelöst
Interpolated Value Between Two Points
Given two points, and , a new location x, and a method "linear" or "cubic", return the value of a linear or cubic interpolant t...
7 Monate vor
Gelöst
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.
7 Monate vor
Gelöst
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...
7 Monate vor
Gelöst
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...
7 Monate vor
Gelöst
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....
7 Monate vor
Gelöst
Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...
7 Monate vor
Gelöst
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;...
7 Monate vor
Gelöst
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
7 Monate vor