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Abhishek Jain


NSIT

846 total contributions since 2016

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Answered
Static variables in MATLAB
Use keyword persistent to declare static variables persistent x; for more information: read here: <https://in.mathworks....

más de 1 año ago | 5

| accepted

Question


Error using axesm. It says "checkellipsoid' for input arguments of type 'double'"
Hi! I am getting the following error while using axesm >> axesm Undefined function 'checkellipsoid' for input argumen...

más de 1 año ago | 0 answers | 0

0

answers

Solved


Test if a number is numeric or not
Test if a number is numeric or not

más de 3 años ago

Solved


Find x in provided equation!
x^2-2*x+1=0 This polynomial can be expressed by using each term's coefficients, such as [1 -2 1]. Using the polynomial ...

más de 3 años ago

Solved


Solve system of equation!
Given provided system of equation, and find x and y. System of equation can be expressed as each term's coefficient. For exam...

más de 3 años ago

Solved


Calculate this one!
Using matlab calculate y y=(e^2)+100/20+sin(pi)*x Use x as a input.

más de 3 años 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....

más de 3 años ago

Solved


Calculate z=x^2+y^2
There are z in (x,y). x=1:10;y=1:10 [x y]=meshgrid(x,y) Calculate x^2+y^2.

más de 3 años ago

Solved


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

más de 3 años 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

más de 3 años ago

Solved


Resort number using given index!
Resort matrix [a] using given index [b]. For example, if a=[2 5 3 5]; b=[4 1 2 3]; , the result is [5 2 5 3]. (hint: y...

más de 3 años ago

Solved


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 ...

más de 3 años 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...

más de 3 años ago

Solved


Removing vibration!
There are [y] that vary with [x] but y including small useless vibration. x=1:10 y=[1.71 2.03 3.28 4.05 5.10 6.82 7.69 8.3...

más de 3 años ago

Solved


Make 3d matrix from other matrix
A=[1 1;2 2]; B=[2 2;3 3]; C=[0 0;1 3]; Using given three matrix, make 3 dimensional matrix [D] by stacking.

más de 3 años ago

Solved


Make equation that can express relationship!
Observed data [y] that vary with [x]. Unfortunately, [y] including small amount of errors. x=[1 2 3 4 5 6] y=[2.16 4.97 ...

más de 3 años ago

Solved


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

más de 3 años ago

Solved


Draw circles!
How to plot circle using matlab? using given variable [s], calculate x and y points of the circle that center is (0,0), radiu...

más de 3 años ago

Solved


Make three random number on a sphere
Make three random number but these numbers, [x],[y], and [z], should accomplish x^2+y^2+z^2=1 (hint: spherical coordinate ...

más de 3 años 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,...

más de 3 años ago

Solved


Solve equation numerically
y'=y In order to solve equation using computer, numerical analysis are needed. 1st order Euler's method is one of the metho...

más de 3 años ago

Solved


Calculate geostrophic current
eta0=0.01; R=300; f=0.01; g=9.81; x=-500:50:500; y=-500:50:500; [x y]=meshgrid(x,y); eta=eta0*exp(-(x.^2+...

más de 3 años ago

Solved


Calculate some equation
Using given inputs x and z, make two outputs that are y1 = (xz)/(x/z)^2 + 14x^2 - 0.8z^2 y2 = x^z - z^x + (x/z)^2 - (z/x...

más de 3 años ago

Solved


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

más de 3 años ago

Solved


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 ...

más de 3 años ago

Solved


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...

más de 3 años ago

Solved


Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

más de 3 años 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...

más de 3 años ago

Solved


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...

más de 3 años ago

Solved


Calculate circle's property
[A R]=function(r) r is radius, A is area of circles, R is circumference. A=pi*r^2 R=2*pi*r

más de 3 años ago

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