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Plotting Implicit Function in Polar Coordinate
Hi Teerapong, Have a look at the following links: https://www.mathworks.com/help/matlab/ref/cart2pol.html https://www.mathwor...

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Changing CData values for a surf plot.
Hi Ali, Have a look at the following link: https://www.mathworks.com/help/matlab/creating_plots/how-surface-plot-data-relates-...

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Error in port widths or dimensions using simulink -PS converter block
Hi Anupam, Have a look at the following link: https://www.mathworks.com/matlabcentral/answers/248904-error-in-port-widths-or-d...

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How to formulate elegantly and performant functions that depend on a lot of input variables
Hi Ferdinand, Have a look at the Accepted Answer (and the comment under it) for the question posed in the following link: Pass...

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Please help to solve the following equations by the Newton–Raphson method
Hi, Have a look at the following code which solves the above mentioned equations by Newton-Raphson Method : clc;clear;close a...

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Radius and centre of curvature
Hi Nagaraj, You will have to first change your equation to the form of y = f(x) and then use the formulae to find the radius an...

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Function 'subs' different output for a (similar?) input
Hi Bobby, syms F(t) The above command implies that 'F' is a symbolic function. Hence, the command invF0=subs(invF(t)) does...

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Adding Legend to Subplot
Hi Ollie, I understand that you want to be able to copy the legends of the figures, along with their plots, into the subplot bu...

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how to plot them together and get their equations and make a legend for them ?
Hi Tomer, I understand that you want to plot both the models in one figure and get the equations for both of them. I have bro...

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How to Solve Second Order ODE with 2 dependent variables
Hi Yanuar, Two second order ODE's can directly be solved by using 'dsolve'. Have a look at the following code: syms x(t) y(t) ...

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Check for missing argument or incorrect argument data type in call to function 'bode'
Hi Alejandro, As both ARK and Adam mentioned, do check out the documentation for 'bode' function to know the valid syntax. As...

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Discretization method used in MPC
Hi Hossam, The following link gives information on the discretization method used by a non-linear MPC Controller: Specify Pred...

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In the editor, my "run" icon shows "pause"
Hi David, Adding to ARK's comment, whenever the code takes a long time to run, the 'run' icon changes to the 'pause' icon. This...

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Please help solve and plot the solutions to an equation
Hi Alexander, Have a look at the following code. It shows one of the ways by which you can solve your question. D2 = 11.4; H...

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Putting Annotation in 3D Space - seems impossible
Hi Oliver, The annotation function with the same syntax - 'a= annotation('textarrow',x,y,'String','Write text here');' can be u...

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Select cells in heatmap
Hi Ilyass, You can change the 'ColorLimits' property of the HeatmapChart so that all the values of 'cdata' that are equal to an...

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How can I store the values of step response function in array which has time delay ?
Hi, Have a look at the following code which will give you the desired output. num = [0.5 1]; den = [6 23.5 35.5 25.5 8.5 1]; ...

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How can I multiply matrices using a for loop then extract their elements after the loop?
Hi Stephen, I understand that you want to use the elements of the matrix obtained after each iteration to calculate other value...

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rounding and displaying datetime in plot x-axis
Hi Joel, In the code for 'option 2' which you have given above, replace ax.XTickLabel = datestr(linspace(xtick_start,xtick_...

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how to generate a reference signal from the Driving Scenario Designer App?
Hello, Once you are done building your scenario, place a sensor on your Actor, change the 'Update Interval (ms)' as required an...

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Slope equation for plot of best fit line
Hi Jayashree, Once you have your plot, go to Tools->Basic Fitting from the menu bar in the figure window. Then select Linear. Y...

대략 4년 전 | 1

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Complicated grouped bar legend
Hi Daniel, Have a look at the following example to understand how to show bars and line plots in a particular order in the lege...

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Solving a system of multiple equations (including vector) for multiple variables
Hi, If 'solve' returns empty objects ([0x1 sym]), then it means that no solutions exist for the given set of equations.

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Struggling with integration.
Hi, I understand that you have the values of 'R2', 'V' and 'D', and you have to solve the equation, 'V=∫pi*(R1+R2-sqrt(R2^2-x^2...

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Non-bold font in multiline title (LaTEX)
Hi, I understand that you want to have a multi-line title with the first line bold and the remaining lines normal (non-bold). T...

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Matrix inversion and LU Decomposition. Having issues with the for loops and how they reference inputs.
Hi Susanna, I understand that you want to obtain the upper and lower triangular matrices and solve the equation 'Ax=I', to find...

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Symbolic math Tool box "diff" and "dsolve" for optimal control
Hi Karthi, The issue you have stated has been fixed in MATLAB R2020b, i.e., from this version onwards, the 'diff' function can ...

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How to extract the first Transfer function.
A possible way of solving this issue would be to solve the system of simultaneous equations and then use the 'tf' function to cr...

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Why doesn't matlabFunction properly vectorize the state of an ode system?
The symbols 'c' and 'd' can either be scalars or vectors.The vectorization for 'in3' is done as 'in3(1,:)' and 'in3(2,:)' so tha...

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does anyone know how to code this difference equation? I am suppose to use a filter function to expand the summation but i am not sure how?
Have a look at the following link for the documentation on the ‘filter’ function: https://www.mathworks.com/help/matlab/ref/fil...

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