matlab数据处理

一些处理的命令

clear all;
clc;
%----------------------------------------
A = readmatrix('MaPbBr3-8-2-k');
NA=0.47;
angle=asind(NA);
wavelength=A(1,:);
E=1240./wavelength;
E(1)=[];%剔除数据中的第一个元素
%E1= fliplr(E);
%E1=E';
N=1024;%1024个像素点
picso=linspace(-angle,angle,N);
I=A(2:1025,2:1025);
I1=I';
imagesc(picso,E,I1);
xlabel('Angle(°)','FontSize',16,'FontName','Arial');
ylabel('Energy(eV)','FontSize',16,'FontName','Arial');
set(gca,'Ydir','normal');
set(gca,'linewidth',1.2);
set(gca, 'FontSize',14);
%set(gca,'XTick',[-20:0:20]);
%set(gca,'YTick',[0:0.2:1]);