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Emilia


Last seen: 2 years 前 |  自 2018 起处于活动状态

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How to make a loop correctly in stages
Hello, I'm trying to place these numerical values in the steps of a loop and it didn't turn out well, the software doesn't pi...

2 years 前 | 1 个回答 | 0

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How to solve an equation equal to zero?
Hello, I want to solve this equation equal to zero to find the theta, But it doesn't give me an answer there is an error. How t...

2 years 前 | 1 个回答 | 0

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Graph function problem Incorrect values
Hello, I have this function, If I want to produce a graph in the range of 0<x<50 it does not give a correct answer of y. Thanks...

2 years 前 | 1 个回答 | 0

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提问


The input function does not work well
Hello, I planned a short function but it doesn't go well, when I enter a value it is not received. Besides this function, enter...

2 years 前 | 1 个回答 | 0

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提问


loop matrix to new matrix
Hello, I am given a matrix A, I want to make a conditional loop if a number is over 30 then place 1 in a new matrix, if a value...

2 years 前 | 1 个回答 | 0

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Previous matrix numbers in the formula and creating a new matrix
Hello, I am given a matrix A=[1 2 3;4 5 6;7 8 9] ,I want to place numbers in this formula g(x,y)=((A(x,y)-1)/(11))*(15); The...

2 years 前 | 1 个回答 | 0

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提问


From a matrix creating a vector
Hello, I have matrix A=[1 7 3 9 4; 8 6 8 9 1; 7 7 7 8] I need to find the existing numbers from the matrix and create a vect...

2 years 前 | 1 个回答 | 0

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Find the value of r such that the determinant of A is zero.
Hello, I am have matrix A with r as the parameter. I want to find the value of r such that the determinant of A is zero. A=[c...

2 years 前 | 2 个回答 | 0

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提问


Placing a value in the equation
Hello, I made code of calculations and got Theta_swept=60 and I want to put this into the equation F_x ,Thus a logical result...

3 years 前 | 0 个回答 | 0

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提问


How to place a value in a function
Hello, I wrote down a code and I want to place F_x(theta=60) to get the answer . How to do it. Thanks for the helpers and Hap...

3 years 前 | 1 个回答 | 0

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Plot problem though there are data numbers
Hello, I made code in Matlab to produce a plot like in this picture. Although there are numbers but the graph does not work. T...

3 years 前 | 1 个回答 | 0

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提问


How to do a cycle in the graph each time of plot
Hello :) How to make a cyclic graph every time the same data start at a certain point as in the first mode just subtract the or...

3 years 前 | 2 个回答 | 0

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How to arrange with the graph
Hello :) I need help creating a graph. I wrote in the theta code ranges to be zeros also in the y-axis, and other numbers to ge...

3 years 前 | 1 个回答 | 0

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提问


How to double the x(t) with transfer Functions to get y(t)
Hello, I want to double x(t)*G(s) to get y(t) , How to do it in Matlab. Thanks in advance

3 years 前 | 0 个回答 | 0

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提问


How to produce a plot on the x and y axes
Hello friends, I want to produce a plot, there is a problem in line 5. Thanks for the helpers clc; w=8500; teta = 39.29:5...

3 years 前 | 1 个回答 | 0

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提问


How to download numbers times of command window
Hello, I made code in Matlab on the Ronga method and plot graph. So i get of command window time (t = 0:h:60) is bothers me and...

4 years 前 | 0 个回答 | 0

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How to produce line plot yline for matlab R2018a
Hello, My computer has R2018a old version software, I do not have time to download it. I want to add in the graph a line in y=...

4 years 前 | 3 个回答 | 0

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提问


How to find value from vector
Hello, After calculation gammadot that need locate in table_gammadot (I tried "ismember" is no help), so to get table_eta that ...

4 years 前 | 1 个回答 | 0

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How to arrange correctly with a graph
Hello, I want to produce a graph using ode45,But it gives me an error. Thanks for the helpers function second_oder_ode h...

4 years 前 | 1 个回答 | 0

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提问


How to take a given value from a table in a function?
Hello, For example I have a table given I calculate a=y/l , For example a=y/l=2 so i need to get g=0.2. If i get a=y/l=1 (...

4 years 前 | 1 个回答 | 0

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提问


How to fix in Gauss formula
Hello, I have here two formulas of Jacobi and Gauss. I wrote code in the method Jacobi and it worked for me, but in Gauss t...

4 years 前 | 1 个回答 | 0

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提问


How to reset typing in loop input if is Negative?
Hello, I want to make a typo refund if there is a user error with negative. For example if a user types negative then the outpu...

4 years 前 | 1 个回答 | 0

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提问


How to reset typing in loop input?
Hello, I want to make a typo refund if there is a user error. For example if a user types a zero or empty matrix then the outpu...

4 years 前 | 1 个回答 | 0

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提问


How to fix a matrix error
Hello, I created a matrix and during there is an error, what was my mistake here. Thanks for the helpers n=4; f=4*ones(1,n...

4 years 前 | 1 个回答 | 0

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提问


How to combine two matrices
Hello, I want matrix d to go into matrix A. Thanks in advance n=4 A = 4*diag(ones(n^2,1)) - diag(ones(n^2-1,1),-1) - diag(on...

4 years 前 | 1 个回答 | 0

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提问


How to arrange correctly with a loop
Hello, I have created a matrix and need to get a result of a vector using by the Gauss Diesel method. This gives me an error...

4 years 前 | 1 个回答 | 0

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提问


How to create a graph time vs value n
Hello, I have a function that we enter a value n. Next I designed a matrix here and it measures time (tic,toc) until vector ret...

4 years 前 | 2 个回答 | 0

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提问


How to make a loop until the same result is obtained
Hello, I need help how to be used correctly in the loop, I have here a parameter table. Example: I have k that place in the eq...

4 years 前 | 1 个回答 | 0

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提问


How to to take a value positive of equation
Hello, This equation solves two solutions and I want to take a value x2 positive (solutions is -7.6272 and 11.6272). I tried t...

4 years 前 | 1 个回答 | 0

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提问


How to solve an equation
Hello, I have a function equation and it is difficult to set it to the value x. If is there a matlab in which I enter numbers ...

4 years 前 | 1 个回答 | 0

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