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VBBV


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711 2017 이후 총 참여 횟수

Programming in MATLAB applied to interdisciplinary engineering fields

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Plotting a projectile (it doesn't plot anything)
%if true plot(Hsx, 'b-', 'LineWidth', 3); grid on; grid minor _Vsy_ is scalar with one value. That's why plot ...

약 20시간 전 | 0

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double type+ surf error
Check if _b_ matrix has any *NaN* values. Due to presence of text elements

약 20시간 전 | 0

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Plotting the Bar chart in Matlab
%if true x = [1 2 3]; figure, bar(x,[3 6 9;2 5 8;1 4 7]) Do you mean this ?

1일 전 | 0

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How to clear a particular figure and replace it with other
%f true clf hold all fplot(f,'g') xlim([-1,3]) ylim([-2,2]) f1 = figure plot(0,0,'bo'); clf(f1,'reset') plot(0,1,...

2일 전 | 0

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Logical Indexing with Condition Involving Functions
%if true idx = find(A(a) == 1) Use it with _find_ function for element indices

3일 전 | 1

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Can you have lines between circles on a scatter plot?
%if true a = [50:199]; b = [75:224]; i = [1:150]; scatter( i, [a;b] );hold on; for k = 1:length(a) line([i(k) i(k)],[...

3일 전 | 0

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I am getting this Error using makeState (line 56). Your fitness function must return a scalar value.
%if true MWh = k'.*X(1:N).'/c(4); From the error, the function must return a scalar which is possible with above chang...

4일 전 | 0

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Fourier series using matlab
Use _x_ in place of _n_ as it appears in other equations too.

4일 전 | 0

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plotting a straight line with slope and a single point
%if true %%%Y-Values Stress_fail_GF=[1.2 2.1]; Stress_fail_AF=2.8; Stress_fail_Matrix=0.1; %%%X-Value Strain_fail_GF=[0....

4일 전 | 0

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Generate sequence of sine waves with changing amplitude
%f true f = 2.36e3; w = 2*pi*f; %sampling frequency fs = 50000; dt = 1/fs; %Amplitude of pickup signal at each of 11 d...

4일 전 | 0

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Cantilever Beam Deflection problem
% drawing beam shape x = [0 1 1 0]; y = [3 3 4.5 4.5]; patch(x,y,'b','FaceColor','blue','FaceAlpha',.1,'EdgeColor','none');a...

5일 전 | 0

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ode 45 doesnt work
y0 = [-1 ;8]; tspan = [0 ;3]; [t,y] = ode45(@(t,y) ((2*y.^2.*t + 4)./((3-t.^2.*y)*2)),tspan,y0); % use element wise operator...

5일 전 | 0

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Not seeing second plot data
%if true theta = 0:0.02:1; y = sin(theta); figure(1) plot(theta, y, theta, theta) grid pct = 100 - (100 * (theta - y)....

5일 전 | 0

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How do I plot an interval with this?
%if true function S = dval(x, a, v) n = length(a); s = a(n); for i = n-1:-1:1 s = s.*(v-x(i))+a(i); % got errors h...

7일 전 | 1

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Colorbar With Wrong Graphs
%if true figure(1) plot(...) ax1 = gca cm_P = colormap(ax1,summer(length(psi))); p = colorbar; ... figure(2) plot...

7일 전 | 0

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Multiple elseif command not working even when condition is true
%f if Bita <= 0.1 .... .... elseif Bita > 0.1 & Bita <= 0.2 .... .... elseif Bita > 0.2 & Bita <= 0.3 ...

8일 전 | 1

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matrix dimension errors in trig-fourier serier
%if true t1=linspace(0,3,2000); n1=100; A0=0.75; f1=A0*ones(size(t1)); for n2=1:n1 cn=(1.5.*sin(2*pi*n2))./(2*pi*n2);...

8일 전 | 0

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frprintf into a file with adding the symbol for Single quote
%if %if Character2add = ['','(define pyrx','''('] Use this

8일 전 | 0

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Getting incorrect plot – curve does not cross the x axis correctly
%f true x = [-5:0.1:+5]; y = 2*(x).^2 - 4*x ; plot(x, y, 'b'), grid on, xlabel('x'), ylabel('y'); ax = gca; % Get...

8일 전 | 0

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How to loop over column?
%if true for j=1:12 xaij1(:)=((input(:))-min(input(:,j)))/(max(input(:))-min(input(:))); xaij(:,j)=reshape(xaij...

8일 전 | 0

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DateTime YYYYMMDD HHMMSS ConvertTo
%if true datetime(File.txt,'ConvertFrom','*.txt','InputFormat','yyyy-MM-dd HH:mm:ss')

8일 전 | 0

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making of Quiver Plots
%f true quiver(new_lon1,lat1,U(1,:,:),V(1,:,:),'k') Need to be same size as X and Y

9일 전 | 0

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How can I save the output in a loop to an external text file?
%if true D=dot(P(2,:), V(2,:)) e1=norm(V(2,:)); e1=e1^2 mu=G*M(1) e2=e1/mu r1=norm(P(2,:)) e3=e2/r1 ...

9일 전 | 0

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Solving 3x1 matrix, two variables
%if true syms theta2 theta3 AC = 0.08 OA = 0.081 C = [AC*cos(theta2)*sin(theta3); AC*cos(theta2)*cos(theta3); OA + AC*si...

9일 전 | 0

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For loop.how can I do it right?
%if true x=data(:,2); %n=length(x); t = gradient(x); plot(x,t,'bo') Try this

9일 전 | 0

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Error using surf (line 71) Z must be a matrix, not a scalar or vector.
speed(1:285,1:285) % this matrix must have 285 x285 elements

10일 전 | 0

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Wind Energy Yield Calculation
%if true x = 0:0.1:10; y = wblpdf(x,3,2) Use the _weibull pdf_ function shown above and obtain the likelihood at each...

10일 전 | 0

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check array for zeros using for increment
%if true if array(row,col) ~= 0 check(i) = false; end Use loop index

11일 전 | 0

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multiple plots with same variable but different value
%if true y = 1 Pr = 0.2:0.2:0.8 t = 1:0.5:2.5 T = erfc(y/2)*sqrt(Pr./t) plot(t,T)

11일 전 | 0

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How can I display up to second decimal point
Type format bank at the command window or in your script file at beginning. Then run the program again.

11일 전 | 0

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