Risolto


Calculate correlation.
There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

quasi 10 anni fa

Risolto


Calculate numerical integration.
x=0:0.01:1 y=x.^2 Calculate area from x=0 to x=1, and y=0 to y=x^2 using numerical integration. (hint: trapz)

quasi 10 anni fa

Risolto


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 ...

quasi 10 anni fa

Risolto


Interpolate scattered data.
Most data was scattered, and there is no gird. There are three data [c] in three different area [x,y]. x=[1 3 4]; y=[1 ...

quasi 10 anni fa

Risolto


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.

quasi 10 anni fa

Risolto


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.

quasi 10 anni fa

Risolto


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...

quasi 10 anni fa

Risolto


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

quasi 10 anni fa

Risolto


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 ...

quasi 10 anni fa

Risolto


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...

quasi 10 anni fa

Risolto


Two dimensional moving average
A=[1 2 3 4 5 1 2 2 2 3 2 3 3 3 4 1 1 4 4 2] B=[1 1;1 1]; % This is can be used for weight factor of moving a...

quasi 10 anni fa

Risolto


Check that given number is 3*n
Check that input of multiple of three (3*n). if given number is included in 3*n, print true. (hint: use mod)

quasi 10 anni fa

Risolto


Analyze observation data
There are results of observation. A B C -------------------------- t=1 2.2 2.6 2.4 t=2 2.4 ...

quasi 10 anni fa

Risolto


Make roundn function
Make roundn function. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) y=0.56 ...

quasi 10 anni fa

Risolto


Calculate representive values (max. min. std)
A B C -------------------------- t=1 2.2 2.6 2.4 t=2 2.4 2.8 2.2 t=3 2.6 2.7 2....

quasi 10 anni fa

Risolto


Calculate using 'for' statements
Equations are easily calculated using matlab. Especially, when we calculate multivariable(more than two) variables, "meshgrid" f...

quasi 10 anni fa

Risolto


Make random number between a and b
Function rand make arbitrary number between 0 and 1. Using inputs, a, and b, make random number between given two values.

quasi 10 anni fa

Risolto


Make sorting matrix without sort function.
It is very valuable for student to simple sorting program because they learn about use of loop and if-statement. Sort given inpu...

quasi 10 anni fa

Risolto


Weighted moving average
x1=[1 2 1]; y1=[1 2 2 4 5 6 6 8]; Make function for weighted moving average. z(i)=(x1(i)*y1(i)+x1(i+1)*y1(i+1)+x1(i+2)*y1...

quasi 10 anni fa

Risolto


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

quasi 10 anni fa