Version
Memory
Clc
Clear
TAB key
F5 key to run m file
The F9 key only runs the selected
Ctrl+r notes
Ctrl+t Anti-annotation
Ctrl+i Formatting Code
Edit XXX.M to open xxx.m
A=1:0.5:9 Linear
Linspace (3,5)
%3 to 5 divided by default
Linspace (3,5,10)
%3 to 5 divided into 100
Xlsread (' Aaa.xls ') reads Excel but only reads the first label
A = [1 2 NaN]% non-numeric
A (1) =3% assignment
b= [1,2,3;4,5,6]
B (= 9) Second assignment to the first row
A (isNaN (a)) =[5]
A = [1 2 nan;4 NaN 6]% non-digital
A (isNaN (a)) = []
It's not a rectangle.
A=1
b=2
str = [Num2str (a), ' + ', Num2str (b)]
eval (str)
Execute a command with a string
a=[1,2,3]
A (end+1) = 5
Additional
Magic (8)
Generate 8*8 Data
A = [0,0,3;4,5,6;7,8,9;7,8,9]
b = [0,2,3;4,5,6;7,8,9;7,8,9]
All (A==B)
%all function Understanding: Whether this column has 0, if there are 0 returns 0, this function returns an array
% comparison, the same is 1, the difference is 0, so widely used in comparing the array is equal
%c=all (A==B)
%all (All (a==b))
a=[1,1,2,1,3,3,5;2,2,2,2,2,9,0]
Unique (a)
Go to re-ordered
a=[1,1,2,1,3,3,5;2,2,2,2,2,9,0]
%a (1,:) =[]
% Remove First line
%a (:, 2) =[]
% Remove 2nd Column
A (=999)
% modify the specified position value
Maximum Minimum
a=[1,1,2,1,3,3,5;2,2,2,2,2,9,0]
Min (min (a))
Max (Max (a))
DISP ('---') display
Min (a) min of each column
Max (a ') the maximum of each row
string = ' 0 '
IsNumeric (String)
a=[nan,1,2,1,3,3,5;2,2,2,2,2,9,0]
Mean (a)
Mean (a ')
Average
Drawing
A = [1:10]
B=a
A (end+1) = 5;
A (end+1) =15
Subplot (2,1,1)
Plot (a)
Title (' AAA ')
Subplot (2,1,2)
Plot (b)
Title (' BBB ')
A = [1:10]
b= [3:12]
A (end+1) = 5;
A (end+1) =15
B (end+1) = 15;
B (end+1) =5
Plot (a)
On
Plot (b)
Title (' BBB ')
Draw two lines on a chart
BASE (MATLAB)