Community Profile # Bastian Arturo Romero Mardones

Last seen: 약 2달 전 2020 이후 활성

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How to ask use to enter values
An example of input. prompt = "Value "; H2 = input(prompt); CH4 = input(prompt); xTable = table(H2,CH4) xTable = ...

8달 전 | 0

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A problem containing Interpolation
You must change: x=linspace(1,15,6); %%This line 6 equally spaced data points y=2*x-3*randn(1,length(x)); %%This line x2=lin...

8달 전 | 0

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How do we take the inverse fourier transformof this image
Your image: img = imread('imagen','jpg'); h = ifft2(img); %inverse fourier transform imagesc(abs(h(:,:,1))); inverse fouri...

8달 전 | 0

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how to write special matrices
I think it is not very efficient, but works a = dec2bin(0:15); i = 1; while i<17 c = randi([0 1],1,4); if(a(i...

8달 전 | 0

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Plot transfer function with exponential function
You need add inputdelay sets=tf(4,[1 4 4],'inputdelay',1) sets = 4 exp(-1*s) * ------------- ...

8달 전 | 1

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Matrix dimensions must agree.
The arrays dimensions are differents Dn/W.*log(1+((Pr.*h)/sigma2)+(Texe)) %Is a 10x10 complex matrix If you use Tup(k) %You a...

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2d matrix column plot
You can make a plot with comand plot(): x(:,1) = 0:pi/100:2*pi; x(:,2) = sin(x); plot(x(:,1),x(:,2)) more info: https://es...

8달 전 | 0

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Change name of subplot into 2 for

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Need help with a riemann sum
Cambié un poco el código, pero casi nada. clearvars; a = 0; b = 2; n_rec = 100; delta_x = (b-a)/n_rec; x = 0:delta_x:2; %...

8달 전 | 0

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Improfile changing colour of plot
You can try: %Example Mathwork I = imread('liftingbody.png'); x = [19 427 416 77]; y = [96 462 37 33]; [a,b,c] = improfile(...

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I'm trying to take the integral with two variables being arrays and this error keeps popping up. I'm not sure if there is another way, or if im missing something. this is what i have put in the code.
I think the upper limit of integral cannot be a matrix. if you change Iy = int(dA*x^2,x,0,b) %b is array the code works sym...

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Random selection from a pool of questions
I changed 2 lines and it works QandA={'what is 6x8? ', '48'; 'what is 12x12? ', '144'; 'what is 60/12? ', '5'; ...

8달 전 | 1

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y=a*b^x
For example if your y = a*cos(x), you can use plot like this: x = 0:1e-2:20; %x values a = 2; %can be anything constant number...

8달 전 | 0

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Why is my functions not plotting a line?
you need add one point Wab=9.42; d=0.12; s=0.1; % 0.3, 0.6 & 0.9 theta=0:0.1:6.28 Wcd=(s.*Wab.*(s+sin(theta)))./(1+s.^2+2...

8달 전 | 2

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How can I stop my program and ask for the wish operation?
You can use a if umi = '1 = A*B 2 = A/B '; opc = input(umi); %input (multiply or divide?) disp(' ') dis...

8달 전 | 0

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how can I plot multiple y values for single x value?
you can try creating a vector of ones and multiplying this by your x values, for example: y = rand(1,15); xvalue = 3; x = xva...

8달 전 | 0

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Matlab program to plot y(t) graph
If you function is y(t), and you iterate this function in the time, your can plot it: time = 0:0.01:1; y = sin(time) %Your y(t...

8달 전 | 0

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High Frequency Square Wave
You can try with square() --> More Info For example: time = linspace(0,1,1000); frecuency = 5; %or other frecuency x = squar...

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Storing data in matlab matrix using loop
You can try use cell() i=1; for k1=2:1:20 for k2=2:1:20 for k3 = 2:1:20 M = [k1,k2,k3]; if...

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Solve equation in interval
You can try: syms x f = x^2*exp(-x) fder = diff(f,x,1) vpasolve(fder,[-1 1]) %change solve

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Calculation of two less than equal
For the left side it is: n = sqrt(C-1); The other side it is the same.

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Problem in using symsum
syms x k x(1)=-2; x(2)=-1; x(3)=0; x(4)=1; x(5)=2; f(1)=-2; f(2)=-1; f(3)=0; f(4)=1; f(5)=2; for i=0:4 a{i+1}=...

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You can try with tf(): more info: https://es.mathworks.com/help/control/ref/tf.html fun = tf([5 30 55 30],[1 9 33 65]); % B(s...

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How can I write the matlab

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Piecewise function plot help
The length must be the same x1 = [0:0.1:1]; f1 = zeros(1,numel(x1)); %f1 with the same length as x1 x2 = [1:0.1:3]; f2 = [1/...

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How to create a periodic function?
You can use this function: https://es.mathworks.com/matlabcentral/fileexchange/83058-continuous-piecewise-function-linear-funcio...

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Error Message: valid interpreter syntax

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Show filtered column of a cell array based on filtered cell header
Hi :D data= {'A' ,'B' ,'C';'1', '2', '3';'1' ,'2', '3';'1', '2', '3'}; fprintf("input with a space \n") %Example: a b or a c...

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solving for an unknown variable when given the rest
syms V y = 0.05; k = 0.0806; v = 90; N = 4; h = solve(y == 1/((1+k*(V/v))^N),V) %multiplication sign missing you only shou...

8달 전 | 1

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How to use loop to reduce the code?
you can try with cell clc clear syms t sigma r = -4; w = 2; a = 1; b = 1; W = 1; x_2 = 1 A_sin = 1; A_sigma = [0,1;-w...

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