Sergey Dukman

1987

2015 年からアクティブ

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質問

Iterate (repeat) a for-loop n times.
Hello. I am trying to repeat the for-loop n times. The point is that I want to take the values computed in the first iteratio...

5年以上前 | 1 件の回答 | 0

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Gradual area change (gradual contraction). Pressure loss
Hello, I am interested in how to define correction factor for gradual contraction coefficient as shown here: http://se.mathw...

9年弱前 | 1 件の回答 | 0

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質問

Finite element analysis in Matlab
Hello, Is it possible to import to Matlab 3D modells from Autodesk Inventor to perform FEM analysis? Is it even possible to pe...

9年弱前 | 1 件の回答 | 0

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質問

How to nest functions?
Hello, I have a function. Then I want to create another function and use the value of the first function to compute the second ...

9年弱前 | 1 件の回答 | 0

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質問

Arithmetic operations with units
Hello, Is it possible to perform arithmetic operations with units? This function is available in Mathcad. Do we have simil...

9年弱前 | 3 件の回答 | 0

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質問

Rayleigh probability density function
Hello! In Mathworks example of Rayleigh probability density function, they define scale parameter B as B=0.5. I would like to ...

約9年前 | 1 件の回答 | 0

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質問

Computed values of a function reiterates in Command window.
Hello, I have the following problem. After running this function (parameters(1:30)) function [p, v, a] = parameters(t) ...

約9年前 | 1 件の回答 | 0

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質問

Is it possible to perform integration from zero to inf in Matlab?
Hello, I have two data vectors and would like to integrate their product from zero to infinity. Is it even possible and how? ...

約9年前 | 1 件の回答 | 0

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質問

How to execute script based on input data gotten from another script?
Hello! I have two scripts, and I want to execute the second one based on data gotten from the first one. How do I do this? ...

約9年前 | 1 件の回答 | 0

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質問

How to compute and plot Raleigh distribution for mean wind speed values?
Hello, I got a problem with approximation of probability of mean wind speed. I have a set of data of mean wind speed for each ...

約9年前 | 1 件の回答 | 0

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質問

How to separate all negative and all positive values of a vector?
Hello, I baffled by one task in Matlab, namely I need to create two vectors that contains all positive and all negative values ...

約9年前 | 2 件の回答 | 2

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質問

How to write for-loop?
Hello, Is it possible to create a for-loop which evaluates mean values of 12 (in my case) vectors, which has different dimensio...

約9年前 | 1 件の回答 | 0

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質問

Probability distribution for a mean wind speed
Hello, I have a data of mean wind speed over defined area sampled for 10 last years. I would like to plot a Weibull distribut...

約9年前 | 1 件の回答 | 0

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質問

How to create a vector (or number?) with predefined mean and stdv (Standard deviation)?
Hello, I would like to know how to create a vector (or number if possible)with predefined mean and std? Lets say that I need a...

約9年前 | 1 件の回答 | 0

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質問

How to define cross points for two graphs
Hello, I have a problem to find cross points of two graphs. Here it is my script: x_1=[-3 2 4 7 9]; x_2=[-4 -1 3 6 8]; y_1=...

約9年前 | 0 件の回答 | 0

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質問

How to define the value of "t" from function f(t)
Hello, I have a function f(t)=exp(-0.01*t.^2).*cos(2.*t) where 't' is a function handle (f=@t) I need to define '...

約9年前 | 1 件の回答 | 0

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質問

Center mass and total mass of a matrix
Hello, How to calculate a center of mass and total mass of 11x4 matrix? Sergey

約9年前 | 0 件の回答 | 0

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if statemnt do not execute the second statement
Hello, I try to run the following if-statement: if 0<T<10 h=T-10 else T>100 h=0.45*T+900 end. Variable T is defined as T=...

約9年前 | 2 件の回答 | 0

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質問

If-statement do not respond
Hei! I am running the following function in matlab: function trig(a,b) format long x=pi/9; a=sin(4*x) b=4*sin...

9年以上前 | 1 件の回答 | 0

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質問

How do I show the following condition t>1 with help of for-loop?
I am trying to plot the step response for different values of t. I choose condition when t is bigger than 1. I use the followin...

9年以上前 | 1 件の回答 | 0

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質問

How to get rid of exp in answer
I have evaluated a polynomial of the 6th order. One of the calculated coefficients has a value of -4.1275e-05 (format short g...

9年以上前 | 1 件の回答 | 0

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質問

Boundary Conditions for plane stress
I do not fully understand how to implement boundary conditions to solve my PDE (Plane stress). Can somebody explain me how I ...

9年以上前 | 1 件の回答 | 0

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質問

Creating of Basic Shape in Matlab
Hello! I am trying to create a rectangle as a basic shape. I use these commands: rect=[3 4 -1 1 1 -1 -0.5 -0.5]; gd...

9年以上前 | 1 件の回答 | 0

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質問

For-loop in Matlab
Hei! I have the following for-loop: for c=(1:10) x=sind(c) end disp(x) How can I get all values of x as ...

9年以上前 | 1 件の回答 | 0

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質問

if statement in Matlab
I running the following if-loop: sigmat=24; n=1.5; sigmam=20; N=200; si=sigmat/n; if si>=sigmam F=N/s...

9年以上前 | 1 件の回答 | 0

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質問

Function computation in Matlab
Hei! I am trying to compute the following function function [x,y] = f(z) x=cos(z)*2; y=sin(z)*2; end The answer I ge...

9年以上前 | 1 件の回答 | 0

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質問

Polynomial Interpolation in Matlab
Hei! Can somebody help me with polynomial Interpolation in Matlab? I have a data set for x and y as vectors and N=15 as the ...

9年以上前 | 2 件の回答 | 0

2

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質問

1.0e+02 *
Hei! Can somebody help me with this: After running for-loop (for example, for I=1:10 [I, I^2, sqrt(I)] end) I getting foll...

9年以上前 | 1 件の回答 | 0

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Sergey Dukman

1987

統計

Thankful Level 4

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