Answered
Adding zeros to a column vector to match a larger column vector
x = rand(100,1) % column vector y = rand(108,1) % another column vector of different size zeros(1,length(y)-length(x)) % row ...

2 years ago | 0

Answered
Numerical Differentiation using Finite Differences
h = 0.01; X = 0:h:2*pi; fx = sin(X); df1 = (sin(X+h) - sin(X))/h; df2 = (sin(X) - sin(X-h))/h; df3 = (sin(X+h) - sin(...

2 years ago | 1

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why I get the error message like "Attempt to execute SCRIPT bar as a function"?
power_input = [-load -p_c] % this line uses builtin function load

2 years ago | 0

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Inputting a Matrix into a function
t0 = 0.5235; t1d = 0:60; t1r = deg2rad(t1d);% use this function to convert to radians phi = pi; g = cos(t0)*cos(t1r) + sin(t...

2 years ago | 0

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Symbolic toolbox differentiation by chain rule without expression defined
syms x(t) y(t) z(x,y) t x = x(t); y = y(t); z = z(x,y) C = diff(z,t)

2 years ago | 0

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Answered
How to count number of terms in a symbolic expression?
syms x y z='x*y+cos(x*y)*x+x*sin(x)+sin(x)*cos(x)-x-y+2' C = strsplit(z,{'+','-'}) length(C) C{3} % 3rd term

2 years ago | 0

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What command do i need after de hold off fuction to print the labels in my plot?
print('-image','-dpng', 'windclimate_allyears.png') Try using the OpenGL graphics rendering format as above. The version of Mat...

2 years ago | 0

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How do I optimize graph size?
May be the change in coefficient for cosine function plotted in black color as shown below z = -72:0.2:72; hold on Tb = 543.4...

2 years ago | 1

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Answered
I am trying to plot a series, with multiple variables.
clc; % Define parameters T_sub_1 = 100; H = 2; L=1; syms n % Create meshgrid x=linspace(0,2,20); y=linspace(0,4,20);...

2 years ago | 1

Answered
Matlab symbolic : calculate expression with vector of symbolic variables
Use the element wise operator for / and ^ ... i.e. ./ and .^ as below clear syms l_min l_max fsky Np var1D var2D varO1...

2 years ago | 1

Answered
while loop running forever during attempt at Newton Rhapson method
d=0.007; dI=1.219; Rfi=1.76*(10^(-4)); Rf0=Rfi; hs=356; ht=hs; kw=60; dTm=29.6; Q=801368; Aex=64.15; a=((1/ht)+Rfi)/dI...

2 years ago | 0

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Answered
Need to solve Fourier Series script
if you have the entire code in one script file, then you can put all the functions after the plot function call as below otherwi...

2 years ago | 1

Answered
Correlation Coefficient in Legend
Use the sprintf command in legend function just like the text, and include a higher precision specifier for decimals e.g,. 5...

2 years ago | 0

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can't plot
syms p1 ap2 ap3 ap4 th1 = 0; ap1 = 0; a1 = 0; b1 = 0.5; c1 = 0; R1z = [ cos(p1), -sin(p1),0, 0; sin(p1), cos(p1), 0, ...

2 years ago | 1

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why is this code not running?
plot(TimeValue, Pdispatch(:, 1), 'Color','r', 'LineWidth', 2);

3 years ago | 0

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Error: variable might be used before it is defined.
Change this line yy2 = Pr*(y(4)*y(2)-y(1)*y(5)-Df*yy3-Nb*y(5)*y(7)-Nt*y(5)^2) to yy2 = Pr*(y(4)*y(2)-y(1)*y(5)-Df*y(3)-Nb*y...

3 years ago | 0

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Why am I getting the error "Array indices must be positive integers or logical values" in MATPOWER?
The problem is with nested matrices bs or n2i matrices. % brs = ( mpc.branch(:, BR_STATUS) & ... %% branch status % ...

3 years ago | 0

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Conversion of symbolic expression to double without obtaining complex numbers
oneway, is to use a conditional statement for negative input values through abs function. But if you want to avoid complex va...

3 years ago | 0

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argument suggestion with shared argument validator
function s = fun3(a) arguments a {mustBeMember(a,@dummyClass)} = "a" end ...

3 years ago | 0

Answered
Matlab App designer export figure
% File exchange exportfig(app.UIAxes,"test") % Standard matlab function savefig(app.UIAxes,"test.fig") % exportgraphics ...

3 years ago | 0

Answered
f(x)=3x^3-5x^2+3x-7=0
x(1) = 0; % assuming x(1) = 0 kk(1)=1; for k=1:100; fx=3*x(k)^3-5*x(k)^2+3*x(k)-7; % use multplication operator for pro...

3 years ago | 0

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How can I fix this error?
shipweightpmf( [2 2.5 6] )' function y = shipweightpmf(x) s = (1:8)'; p = [0.15*ones(4,1); 0.1*ones(4,1)]; y = finitepmf(s,...

3 years ago | 1

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Answered
How to disable a block in library ?
You can either use *switch-case* statements for controlling the execution of service meter blocks or a *function call* to trigge...

3 years ago | 0

Answered
Add values from vector to plot title
title({['Unit Step Response of G(s) = \omega_{n}/(s^2 + 2\zeta\omega_{n}s + \omega_{n}^2)'], ... ['\zeta = ', num2str(...

3 years ago | 0

Answered
how to create stack with multiple images?
b=cell(7,9); I_max=cell(7,9); I_stack_store=cell(9,1); for t=1:9 for i=1:7 I= rand(50,10,3); b{...

3 years ago | 0

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Answered
How to plot simulation results in a GUI while the simulation is running?
Use drawnow command for updating the simulation results Read more about the command here https://in.mathworks.com/help/matl...

3 years ago | 0

Answered
save images in array in two for loops
b=cell(7,9); for t=1:9 for i=1:7 I= rand(34,78,2); % image data b{i,t}=I; end end b = b(:)

3 years ago | 1

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Answered
Getting the Wrong Output While Using Image Batch Processor
possibly you are calliing the function porosity_function inside a loop, which repeats 12 times and storing the output for all im...

3 years ago | 0

Answered
a function just valid over a certain range
x = 0:0.1:10 ; for k = 1:length(x) if x(k) >= 2 & x(k)<= 8 y(k) = x(k).^2+3.*x(k)+1 ; else y(k...

3 years ago | 0

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Answered
error in multiplying symbolic variable in a matrix
clear clc syms z L [1 11] z , L x=[0 300 1000 1500 1700 2000 3000 3300 4000 4500 5000]; y=[32.0 122.4 296.4 405.7 447.6 60...

3 years ago | 0