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Programming in MATLAB applied to interdisciplinary engineering fields
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why is this code not running?
plot(TimeValue, Pdispatch(:, 1), 'Color','r', 'LineWidth', 2);
why is this code not running?
plot(TimeValue, Pdispatch(:, 1), 'Color','r', 'LineWidth', 2);
대략 1개월 전 | 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...
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...
대략 1개월 전 | 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 % ...
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 % ...
대략 1개월 전 | 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...
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...
대략 2개월 전 | 0
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argument suggestion with shared argument validator
function s = fun3(a) arguments a {mustBeMember(a,@dummyClass)} = "a" end ...
argument suggestion with shared argument validator
function s = fun3(a) arguments a {mustBeMember(a,@dummyClass)} = "a" end ...
대략 2개월 전 | 0
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Matlab App designer export figure
% File exchange exportfig(app.UIAxes,"test") % Standard matlab function savefig(app.UIAxes,"test.fig") % exportgraphics ...
Matlab App designer export figure
% File exchange exportfig(app.UIAxes,"test") % Standard matlab function savefig(app.UIAxes,"test.fig") % exportgraphics ...
대략 2개월 전 | 0
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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...
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...
대략 2개월 전 | 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,...
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,...
대략 2개월 전 | 1
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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...
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...
대략 2개월 전 | 0
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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(...
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(...
대략 2개월 전 | 0
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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{...
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{...
대략 2개월 전 | 0
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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...
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...
대략 2개월 전 | 0
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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(:)
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(:)
대략 2개월 전 | 0
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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...
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...
대략 2개월 전 | 0
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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...
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...
대략 2개월 전 | 0
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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...
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...
대략 2개월 전 | 0
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How to write the output of matlab iteration results of many equations in excel in row by row specifying the starting row?
k = 1; for Xref1=0:0.1:1 % Loop through the range of inputs Xref1; Hi=Xref1*10; Lo=Xref1*5; out_put(k,:...
How to write the output of matlab iteration results of many equations in excel in row by row specifying the starting row?
k = 1; for Xref1=0:0.1:1 % Loop through the range of inputs Xref1; Hi=Xref1*10; Lo=Xref1*5; out_put(k,:...
대략 2개월 전 | 0
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Stateflow onramp unreachable state task 4 error
Did you give the conditions & condition actions also from previous tasks ? It looks like you've added only transition
Stateflow onramp unreachable state task 4 error
Did you give the conditions & condition actions also from previous tasks ? It looks like you've added only transition
대략 2개월 전 | 0
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simple function plot in MATLAB
Hi @Sanjida Use element wise division for evaluatiing the vector Y, It seems you have used incorrect operator ' \ ' this is...
simple function plot in MATLAB
Hi @Sanjida Use element wise division for evaluatiing the vector Y, It seems you have used incorrect operator ' \ ' this is...
대략 2개월 전 | 0
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Properties of exponentials - symbolic algebra
Hi @Luca Lazzizzera You can of course use simplify as @Mischa Kim mentioned. However, if you want to obtain the simplified ex...
Properties of exponentials - symbolic algebra
Hi @Luca Lazzizzera You can of course use simplify as @Mischa Kim mentioned. However, if you want to obtain the simplified ex...
대략 2개월 전 | 0
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How to design a robust PI controller based on the Sensitivity peak value
Define or write these lines of code before the symbolic equation M_eqn. This equation contains two undefined variables, alpha a...
How to design a robust PI controller based on the Sensitivity peak value
Define or write these lines of code before the symbolic equation M_eqn. This equation contains two undefined variables, alpha a...
대략 2개월 전 | 1
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How to convert a symbolic matrix into matrix polynomial
syms x N = [1 5-3*x 0;0 1 5-3*x;1 0 x^2-5] K = poly2sym(N,[x]) simplify(K)
How to convert a symbolic matrix into matrix polynomial
syms x N = [1 5-3*x 0;0 1 5-3*x;1 0 x^2-5] K = poly2sym(N,[x]) simplify(K)
대략 2개월 전 | 0
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Scatter plot does not display multiplied values
If I add multiplication by a constant, the vectors are scattered well with the new values, but the numbers are not This is some...
Scatter plot does not display multiplied values
If I add multiplication by a constant, the vectors are scattered well with the new values, but the numbers are not This is some...
대략 2개월 전 | 1
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Splitting numbers of vector in multiple parts
If you want to split array of numbers, but using a loop , here's one way V = string([2022024 2023074 2022044 2023014 2023054])...
Splitting numbers of vector in multiple parts
If you want to split array of numbers, but using a loop , here's one way V = string([2022024 2023074 2022044 2023014 2023054])...
대략 2개월 전 | 0
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Is it possible to set gca for all subplots?
yes, its possible to set the YTick to [ ] for all subplots you want by using axes handles for individual subplots as shown bel...
Is it possible to set gca for all subplots?
yes, its possible to set the YTick to [ ] for all subplots you want by using axes handles for individual subplots as shown bel...
2개월 전 | 0
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Insert number in polynomial
You can use symsum function in place of for loop. since polynomial p is function of x, its easier to use symbolic summation fo...
Insert number in polynomial
You can use symsum function in place of for loop. since polynomial p is function of x, its easier to use symbolic summation fo...
2개월 전 | 0
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Can someone please help! I cannot plot this graph. Multiple 3 line graph.
clear; clc; r = 0.05; %radius in meter viscosity = [256E-3, 544E-3, 1200E-3, 3680E-3, 5440E-3]; %viscosity in pa.s l = 0.0...
Can someone please help! I cannot plot this graph. Multiple 3 line graph.
clear; clc; r = 0.05; %radius in meter viscosity = [256E-3, 544E-3, 1200E-3, 3680E-3, 5440E-3]; %viscosity in pa.s l = 0.0...
2개월 전 | 0
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Equation in the exported text file is truncated
fprintf(fileID, '%50s\t %50s\n','mu33_1 = ', Solution); Since you want to print *mu33_1* and *Solution* as characters to the fi...
Equation in the exported text file is truncated
fprintf(fileID, '%50s\t %50s\n','mu33_1 = ', Solution); Since you want to print *mu33_1* and *Solution* as characters to the fi...
2개월 전 | 0
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Reading an Array Data from the Serial Port
data=read(s); Try using *read* function which has option to read how many data samples you want at a time. It also allows t...
Reading an Array Data from the Serial Port
data=read(s); Try using *read* function which has option to read how many data samples you want at a time. It also allows t...
2개월 전 | 0