Community Profile # ALBERT ALEXANDER STONIER

### NORTH EASTERN UNIVERSITY, BOSTON, USA

Last seen: 5ヶ月 前 2016 以来アクティブ

Dr.S.ALBERT ALEXANDER is the post doctoral research fellow in North eastern University, Boston, USA. He completed his Ph.D. in the performance improvement of solar Photovoltaics under Anna University, India. He completed his master degree in Power Electronics and Drives with Anna University rank. As a principal investigator he has completed three major research projects sponsored by Government of India. For detailed profile visit www.ootyalex.webs.com

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Convert from integer to binary
if true % decimalToBinaryVector(x) end

6年弱 前

Find the definite integral of various linear functions
A definite integral had a minimum and maximum limit. When you solve this type of problem you must use both quad and the trapz fu...

6年弱 前

Was ist denn los?
Nur für deutschsprechende Leute! Wie geht's? ...also gut, bis bald!

6年弱 前

Test Problem; Create a 5x5 array containing all ones
This is a test for learning the process of creating a Cody problem. The goal of this test problem will be to create an array,...

6年弱 前

Matrix which contains the values of an other matrix A at the given locations.
If you have two matrices, which together give xc and yc coordinates into another matrix, eg : xc = [1 1 1; 2 2 1]; ...

6年弱 前

Is my wife right?
Regardless of input, output the string 'yes'.

6年弱 前

Find the area of a rectangle if length of the diagonal is given.
if length of a diagnonal in rectangle is 5. Its area is 12.

6年弱 前

Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

6年弱 前

Conduct inner product using given matrix
a=[1 2 3]; b=[3 4 5]; y=function(a,b) Output y should be 26

6年弱 前

how to find characteristic polynomial of a given matrix?
how to find characteristic polynomial of a given matrix?

6年弱 前

Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0.

6年弱 前

Calculate determinent
Calculate determinent of given matrix A=[2 4;3 5]; function(A) Output should be -2

6年弱 前

x=1:0.1:5; y=x.^2; calculate gradient (dy/dx) using numerical method. This means dydx(i)=(y(i+1)-y(i))/(x(i+1)-x(i)...

6年弱 前

Extrack values in 2-dimensional data
There are data c at (x,y) x=1:10;y=1:10; [x,y]=meshgrid(x,y) c=exp(sqrt(x.^2+y.^2)) Estinate data c at (x=5.4,y=7....

6年弱 前

x&u are two vectors then Y=x+u???
x&u are two vectors then Y=x+u???

6年弱 前

Determine point is located in a circle or not
Using input [x] and [y], determine the points (x,y) is located inside of circle (x^2+y^2=1) if point is located in circle,...

6年弱 前

How to permute given 3d matrix?
A(:,:,1)=[1 3] A(:,:,2)=[2 2] A(:,:,3)=[4 3] Change rows to columns and columns to rows, similar to transpose. Resul...

6年弱 前

Change string to number
Change given string to number. (hint: there is already function) Changing from ['1234'] to  is one of example

6年弱 前

Calculate polynomial equation
Calculate this equation using given x 1+x+x^2+x^3+....x^99 (hint: use polyval)

6年弱 前

Delete useless part of data
When someone deals with big data. if the person delete useless part, calculation will be more faster than before deleting. De...

6年弱 前

Sort matrix a according to ascending order of B!
To be specific, A=[9 3 1 3] B=[1 3 2 4] are provided, ascending sorting of B is [B(1) B(3) B(2) B(4)]. Thus ...

6年弱 前

Check given number is odd or even
Using input [x], check given number is odd or even if x is odd, output should be true.

6年弱 前

Extract a part of matrix!
There is matrix A A=[1 2 3; 4 5 6; 7 8 9] Extract a part of matrix A from (2,2) to (3,3). Result should...

6年弱 前

Change coordinate from Cartesian to spherical coordinates.
[x,y,z] -> [t,p,r] [x,y,z] is a point in the Cartesian coordinates. change its coordinate to spherical (t,p,r), t is azimuth,...

6年弱 前

Calculate temperature of object
An object that have initial temperature T0 is in a room that has temperature Ts. The object's temperature in time t is T=Ts+(...

6年弱 前

Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

6年弱 前

Calculate inverse matrix in square matrix
A=eye(3) Calculate inverse matrix of given input. B=function(A) ans = 1 0 0 0 1 0 ...

6年弱 前

Create given matrix
y = 0 0 1 1 0 0 0 0 1 1 0 0 1 1 1 1 1 1 ...

6年弱 前

Calculate RMSE
RMSE(Root Mean Square Error) is widely used to calculate error. Calculate RMSE between [a] and [b] a=[1 2 3 4] b=[0 1 2 ...

6年弱 前

How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

6年弱 前