Mohit Kumar
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如何通过减去2D矩阵(例如从减去向量创建2D矩阵)来创建一个3D矩阵?
嗨,我希望将减去行向量和列向量的行为扩展到矩阵。让我提供一个例子:Suppo ...
4 Mesi前|1答案|0
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answer如何to construct this matrix without using two for loops?
我能够找出答案。该公式可以写为a = v' * x * v;
12 mesi ago | 1
Question
如何to construct this matrix without using two for loops?
Hi, I'm trying to construct a matrix in the following manner: sz=10; V=rand(sz,sz); X=rand(sz,sz); for iter1=1:sz for ...
12 mesi ago | 2 answers | 0
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答案Question
xlim is not working with the limitmethod option, and how to change its default behaviour?
Hi, I am trying to run xlim('tight') but this gives me an error. According to the documentation it should work. The error is: ...
大约un anno以前|1答案|0
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answerSubmitted
Phase Portrait Plotter
Plot the phase portrait for the entered system of differential equations
大约un anno以前|195 downloads |
Question
如何to solve a boundary value problem for a piecewise linear differential equation?
I have two a set of two second order differential equations to which I want to find a periodic solution. The differential equati...
oltre un anno ago | 0 answers | 0
0
答案Question
如何to check if a user entered input will form a valid function handle?
用户输入字符向量(在AppDesigner的编辑文本字段中)。我想将其转换为函数句柄。我做...
oltre un anno ago | 1 answer | 0
1
answerQuestion
如何to get mouse coordinates in GUI (AppDesigner) ?
我正在使用MATLAB应用程序设计器,并将轴插入应用程序。当用户单击按钮时,我希望他们能够...
oltre un anno ago | 1 answer | 0
1
answerQuestion
为什么fimplitic不绘制x^2 = 0?
I have a code that takes in an implicit function from the user and then plots it. However, I ran into this odd problem where fim...
oltre un anno ago | 2 answers | 0
2
答案Question
如何找到两个非线性方程系统的所有金宝搏官方网站解决方案?
我有两个非线性方程(f(x,y)= 0和g(x,y)= 0)的系统,我想在一个区域上找到所有根(例如x from -... x x。
oltre un anno ago | 2 answers | 0
2
答案Question
如何to plot a vector field with coloured arrows?
I'm trying to create a vector field where the colour of the vector represents its magnitude like the one shown in the picture. A...
oltre un anno ago | 1 answer | 0
1
answerQuestion
如何to display Live Editor output in multiple lines?
I have large equations in the output of my code that I want to view. However, in the Live Editor output window it only allows me...
oltre un anno ago | 1 answer | 0
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answer如何使用Excel Colum作为功能的输入
Hi Giovanna, To change your function so that it works with matrices, all you have to do is replace your multiplication and divi...
大约2安妮前| 0
如何to solve such a system of nonlinear equations?
Hi, I think this might be a better approach to your problem : img=zeros(320,320); % create a 320x320 zeros matrix to represen...
大约2安妮前| 0
Question
如何to ensure that dsolve provides a trigonometric solution to a second order differential equation?
Hi, I'm trying to solve the following linear second order equation with dsolve in the symbolic workflow. When I solve it I g...
大约2安妮前| 1 answer | 0
1
answerQuestion
如何to numerically solve a differential equation with a dirac delta function ?
我要求解的微分方程是在使用ode45和dirac函数时,狄拉克函数似乎不会...
大约2安妮前| 1 answer | 0
1
answerQuestion
如何to (cleverly) index points in a plot?
我有一个循环,可以绘制每个迭代的点。总共有大约4000多个点要绘制。从图中,我...
大约2安妮前| 1 answer | 0
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answerIssue with fsolve tolerance
事实证明,将功能公差与标准(FVAL)^2进行比较,而默认公差为1E-3。只是将其更改为1E-10(在ACC ...中
大约2安妮前| 0
|公认
Question
Issue with fsolve tolerance
我正在使用FSOLVE使用Levenberg Marquadt算法来求解过度确定的方程系统。虽然工作正常...
大约2安妮前| 1 answer | 0
1
answerQuestion
如何重复几次列?
Consider this scenario - a =[1;2.3;3.2;4.5;5.7]; b=[a,a,a,a,a]; Is there a better way to do this?
大约2安妮前| 0 answers | 0
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答案解决了
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.
大约2安妮前
解决了
三角数
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
大约2安妮前