Abhishek Jain
NSIT
846 total contributions since 2016Abhishek Jain's Badges
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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....
más 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...
más de 2 años ago | 0 answers | 0
0
answersSolved
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 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...
más 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.
más 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....
más 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.
más 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)
más 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
más 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...
más 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 ...
más 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...
más 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...
más 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.
más 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 ...
más 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...
más 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...
más 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 ...
más 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,...
más 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...
más 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+...
más 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...
más de 4 años ago
Solved
How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?
más 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 ...
más 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...
más 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) ...
más 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...
más 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...
más 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
más de 4 años ago
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