Abhishek Jain

NSIT

846 total contributions since 2016

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

alrededor de 2 años 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...

alrededor de 2 años ago | 0 answers | 0

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answers

Solved

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

alrededor de 4 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 ...

alrededor de 4 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...

alrededor de 4 años ago

Solved

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

alrededor de 4 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....

alrededor de 4 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.

alrededor de 4 años ago

Solved

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

alrededor de 4 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

alrededor de 4 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...

alrededor de 4 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 ...

alrededor de 4 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...

alrededor de 4 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...

alrededor de 4 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.

alrededor de 4 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 ...

alrededor de 4 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...

alrededor de 4 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...

alrededor de 4 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 ...

alrededor de 4 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,...

alrededor de 4 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...

alrededor de 4 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+...

alrededor de 4 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...

alrededor de 4 años ago

Solved

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

alrededor de 4 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 ...

alrededor de 4 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...

alrededor de 4 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) ...

alrededor de 4 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...

alrededor de 4 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...

alrededor de 4 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

alrededor de 4 años ago

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