# ALBERT ALEXANDER STONIER

### NORTH EASTERN UNIVERSITY, BOSTON, USA

Last seen: meer dan een jaar ago Active since 2016

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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

bijna 8 jaar ago

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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...

bijna 8 jaar ago

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

bijna 8 jaar ago

Solved

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,...

bijna 8 jaar ago

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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]; ...

bijna 8 jaar ago

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

bijna 8 jaar ago

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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.

bijna 8 jaar ago

Solved

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...

bijna 8 jaar ago

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

bijna 8 jaar ago

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

bijna 8 jaar ago

Solved

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

bijna 8 jaar ago

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

bijna 8 jaar ago

Solved

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)...

bijna 8 jaar ago

Solved

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....

bijna 8 jaar ago

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

bijna 8 jaar ago

Solved

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,...

bijna 8 jaar ago

Solved

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...

bijna 8 jaar ago

Solved

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

bijna 8 jaar ago

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

bijna 8 jaar ago

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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...

bijna 8 jaar ago

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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 ...

bijna 8 jaar ago

Solved

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.

bijna 8 jaar ago

Solved

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...

bijna 8 jaar ago

Solved

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,...

bijna 8 jaar ago

Solved

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+(...

bijna 8 jaar ago

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

bijna 8 jaar ago

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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 ...

bijna 8 jaar ago

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

bijna 8 jaar ago

Solved

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 ...

bijna 8 jaar ago

Solved

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

bijna 8 jaar ago