Bobby Fischer
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发布您的第一个提交
2021年1月16日授予鲍比·菲舍尔（Bobby Fischer）
第一次解决问题
2021年1月14日授予鲍比·菲舍尔（Bobby Fischer）
向别人的问题提供您的第一个答案
Awarded to Bobby Fischer on 05 May 2020
发布您的第一个评论
Awarded to Bobby Fischer on 04 May 2020
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Question
Surf command to plot simple surface
Hi what is happening here: close all x = -1 : 0.1 : 5; y = x; [X, Y] = meshgrid(x,y); Z = 2*X - X*Y + 2*Y; surf(X, Y, Z)...
8 Mesi前|1答案|0
1
answerQuestion
Boundary value problem solvers in Matlab accept mixed boundary conditions, neumann boundary conditions?
Boundary value problem solvers in Matlab accept mixed boundary conditions, neumann boundary conditions?
8 Mesi前|0答案|0
0
answers1
answerQuestion
Show stats in bvp4c
Hi, I would like to see the stats, like the number of iterations. I have 'Stats' 'on' but doesn't show anything. Thanks for yo...
8 Mesi前|1答案|0
1
answerQuestion
BVP4C对边界条件的猜测
Hi. I'd like to know why the initial guess for the solution shouldn't always be the boundary conditions themselves. That is, why...
11mesi ago | 1 answer | 0
1
answerQuestion
光方向surfl
Hi, I don't understand why it is not centered. x = -1:.1:1; y = -1:.1:1; [X,Y] = meshgrid(x,y); z = X.^2 + Y.^2; surfl(x,y...
大约un anno以前|1答案|0
1
answer
Answered
Plot 2D data colormap
This could help: x = -3 + 6*rand(50,1); y = -3 + 6*rand(50,1); v = sin(x).^4 .* cos(y); F = scatteredInterpolant(x,y,v); ...
Plot 2D data colormap
This could help: x = -3 + 6*rand(50,1); y = -3 + 6*rand(50,1); v = sin(x).^4 .* cos(y); F = scatteredInterpolant(x,y,v); ...
大约un anno以前|0
Question
Anomaly with comments and rating in one file in File Exchange.
//www.tianjin-qmedu.com/matlabcentral/fileexchange/85900-seawater-denty-from-salinity-temperature-temperature-terpressure，我发布了...
Oltre un anno ogo |1答案|0
1
answerQuestion
功能“ subs”（类似？）输入的不同输出
clc syms F(t) F(t)=[-5*cos(2*t) -5*sin(2*t) 3*exp(2*t); -2*(cos(2*t)+sin(2*t)) 2*(cos(2*t)-sin(2*t)) 0; cos(2*t) sin...
Oltre un anno ogo |1答案|0
1
answer解决了
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
oltre un anno ago
解决了
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
oltre un anno ago
解决了
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
oltre un anno ago
Question
Matlab license expiration, now?
现在，当我打开MATLAB时，我会收到此消息：----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------您的MATLAB许可将...
Oltre un anno ogo |1答案|0
1
answer
Answered
confusion on a new schema for solving ode
Hello, function euler1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% clc clear tic delta_q=1e-4; q1=0;...
confusion on a new schema for solving ode
Hello, function euler1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% clc clear tic delta_q=1e-4; q1=0;...
Oltre un anno ogo |0
|公认
解决了
寻找完美的正方形
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
oltre un anno ago
解决了
矩阵中的最大值
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
oltre un anno ago
Answered
用因子20绘图日志
你好A = 1.03;h =（a^200-a^20）/9;ypoints = a^（20）：h：a^200;Xpoints = log（ypoints）./ log（a）;图（1）关闭（1）图（1）H ...
用因子20绘图日志
你好A = 1.03;h =（a^200-a^20）/9;ypoints = a^（20）：h：a^200;Xpoints = log（ypoints）./ log（a）;图（1）关闭（1）图（1）H ...
Oltre un anno ogo |1
|公认
Question
Discrepancy with easy ODE.
Hello, don't know why the discrepancy. function fcno y0=linspace(0,2,20); t0=linspace(0,3,100); figure(1) close(1) figure...
Oltre un anno ogo |1答案|0
1
answer
Answered
How to solve 'Index exceeds matrix dimensions.' error?
嗨，有很多事情要纠正。不知道结果是否仍然有价值，因为我不知道我在工作什么...
How to solve 'Index exceeds matrix dimensions.' error?
嗨，有很多事情要纠正。不知道结果是否仍然有价值，因为我不知道我在工作什么...
Oltre un anno ogo |0
Question
ode45 fail with pendulum
你好。我有证据表明，在我的机器中，钟摆一路走来，与现实相矛盾。有什么想法吗？------------------...
Oltre un anno ogo |1答案|0
1
answer
Answered
How can i plot surfaces for a recursive function?
Hi, I have written this code. Is this what you meant? function []=bobby_98(n) lon=20; x=linspace(-1,1,lon); y=x; z=zeros(l...
How can i plot surfaces for a recursive function?
Hi, I have written this code. Is this what you meant? function []=bobby_98(n) lon=20; x=linspace(-1,1,lon); y=x; z=zeros(l...
circa 2 anni ago | 0
Question
每次开始新的会话
嗨，我希望MATLAB使用命令窗口打开，并且没有打开编辑器选项卡。也就是说，如果我在最后一个...
circa 2 anni ago | 0 answers | 0
0
answersQuestion
图中的正交矩形透明度
嗨，我该如何改变矩形的透明度？函数[i] = bobby_85（n）％n = 30;n = 300;p = 1;h = 1/（n-1）;i = 0;X...
circa 2 anni ago | 0 answers | 0
0
answersQuestion
How to fix axes in dynamic plot
Hi, I would like to fix the axes in this dynamic plot right from the beginning. Is there an easy way to do it? Thank you. cl...
circa 2 anni ago | 2 answers | 0
