Community Profile

photo

haohaoxuexi1


Last seen: 2 maanden ago Active since 2021

Statistics

  • Thankful Level 3
  • Thankful Level 2

View badges

Content Feed

View by

Question


How to remove empty space after legend?
Can anyone please give me some advice on how to remove the area below the legend. The code is below, thanks. C_Span = [4 8...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


cumsum function question for integration
The code is below. close all; clear all; clc; format long; syms t; inter_val = 0.0001; tn=0:inter_val:20; t=tn; y_c...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


How to change the font size of xtick and ytick with scientific notation on the side?
xticklabel_fs = get(gca,'XTickLabel'); set(gca, 'XTickLabel', xticklabel_fs, 'FontName', 'Times New Roman', 'fontsize', 12); y...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


ode45 and rungekutta yield different result
I am using ode45 and rungekutta script to solve some piecewise differential equations. But the result is a bit different. Can a...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


Can anyone help to see what is wrong with this function to solve a DAE problem
dx(1)=x(2); dx(2)=k1*(x(3)-x(1))-(knl_1*x(1)+knl_3*x(1)^3); dx(3)=x(4); dx(4)=(-c*x(4)-k1*(x(3)-x(1))+kAmp*cos(w*t)+theta_p*x...

ongeveer 2 jaar ago | 0 answers | 0

0

answers

Question


Frequency sweep for DAE question
%% close all; clear all; clc; format long; k1=25000; knl_1=300; knl_3=2000000; m=0.1; c=1; w0=20; kAmp = 0.5; ...

meer dan 2 jaar ago | 0 answers | 0

0

answers

Question


ODE45/ODE15 inquiry about nonlinear spring
Is there anyone can help me on how to get an ODE45/ODE15 program to solve the above equation? I want to get the value of y1 and...

meer dan 2 jaar ago | 2 answers | 0

2

answers

Question


How to input a "sym" type equation into ODE45 to solve first order differential equation?
% Sample close all; clear all; clc; syms t tt; a=1; b=2; c=3; fs_d=50*t^2+60*t^4+70*t^9; fd_d=diff(fs_d,t); dT...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


How to check the symbolic engine of matlab2018?
I have intalled maple (maple toolbox as well) in my computer. And I am trying to switch the engine between in order to get bette...

meer dan 2 jaar ago | 1 answer | 0

1

answer