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Dimitrios Anagnostou


Last seen: 23 days 前 |  自 2021 起处于活动状态

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统计学

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Plot a direction field whose vectors have the same size
I want to plot the direction field of the ODE . Here is my script. % Clear previous figures, workspace, and command window cl...

10 months 前 | 1 个回答 | 0

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Plotting inequalities on the complex plane
Despite using Matlab for several years, I am little ashamed but I have no idea how to plot the set on the complex plane that sat...

11 months 前 | 2 个回答 | 0

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Display without new line
To demonstrate various formats of MATLAB, I use the following script: x = 1/7; format short, fprintf(['format short: ']), x % ...

1 year 前 | 2 个回答 | 0

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Plot a region based on inequalities
This comes from the book Mathematics for Engineers and Scientists of Alan Jeffrey. To create the graphic with Matlab I wrot...

1 year 前 | 1 个回答 | 0

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Solve a transcendental equation
I know it is simple but I am puzzled how to force Matlab to solve the following equation to get This is what I do (assum...

1 year 前 | 1 个回答 | 0

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Covert a string to an array of individual characters.
I apologize if my question is trivial. I have the following datasets.The letters in each dataset represent student names enroll...

1 year 前 | 1 个回答 | 0

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Solving Inequalities with Matlab
I guess this is a frequent question here but the answers I have seen did not help me. I want to solve the following inequality:...

1 year 前 | 1 个回答 | 0

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已回答
symsum and a divergent series
I accepted John D'Errico's thorough answer but to Matlab's defense I post also my answer. The problem was my typo. I have forgot...

2 years 前 | 0

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Visualising 3 times 3 linear algebraic systems and their intersections
I want to interpret geometrically linear systems. Consider for example the system With the following implementation of R...

2 years 前 | 1 个回答 | 0

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symsum and a divergent series
I apologize if I'm asking something trivial. I know that symsum can be used for series. For instance, syms k symsum(2^k/facto...

2 years 前 | 2 个回答 | 1

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Force 0 tick to appear in a scatter plot
I cannot make the 0 tick appear nomatter what I tried. Here is my code. clc, clear, clf n = 0:10; f = n.^2; scatter(n,f, 'k'...

2 years 前 | 1 个回答 | 0

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Float information (as in Python's sys module)
I know that there exists commands like eps, realmin, realmax etc. Is it possible to obtain complete float information as provide...

2 years 前 | 1 个回答 | 0

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Question about internal aithmetics
Let and . I use the following code to find out what is the smallest value of that makes the equality false. My question is a...

2 years 前 | 1 个回答 | 1

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Plotting three planes and their intersections
Finalement, I found the solution. I post the script in case anyoone is interested in. clc, clear all close all set(0,'defaultT...

3 years 前 | 0

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Plotting three planes and their intersections
I have three planes described the by the cartesian equations. I want to plot the planes and their intersections. I have writ...

3 years 前 | 2 个回答 | 0

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How to plot the region corresponding to an inequality?
I want to plot create the region plot for the inequality for . In Mathematica this can be done by RegionPlot[y - x^2 >= 0, {x,...

3 years 前 | 1 个回答 | 0

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Solving an overdetermined system of linear equations
According to my textbook "Matrix Operations for Engineers and Scientists - An Essential Guide in Linear Algebra" by the late Al...

3 years 前 | 1 个回答 | 0

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Mesh plot of the function sqrt(y-x^2)
I want to plot the function The function is defined for . With f = @(x,y)sqrt(y-x.^2); fmesh(f,[-3 3 0 9]) I get a mesh plo...

3 years 前 | 2 个回答 | 0

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