解決済み

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...

10年弱前

解決済み

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)

10年弱前

解決済み

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 ...

10年弱前

解決済み

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 ...

10年弱前

解決済み

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.

10年弱前

解決済み

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.

10年弱前

解決済み

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...

10年弱前

解決済み

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

10年弱前

解決済み

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 ...

10年弱前

解決済み

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...

10年弱前

解決済み

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...

10年弱前

解決済み

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)

10年弱前

解決済み

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

10年弱前

解決済み

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 ...

10年弱前

解決済み

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....

10年弱前

解決済み

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

10年弱前

解決済み

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.

10年弱前

解決済み

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...

10年弱前

解決済み

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...

10年弱前

解決済み

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

10年弱前