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# plot x y z matlab

## plot x y z matlab

MATLAB ® automatically selects the contour lines to display. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. I have tried simple things such as: matrix=xlsread(filename); surf(matrix); or matrix=xlsread(filename); X = matrix(:,1); Y = matrix(:,2); [x,y]=meshgrid(X,Y); Z = matrix(:,3); surf (x,y,Z); but here I get the following message: 'Z must be a matrix, not a scalar or vector', Any help with the coding would be appreciated, I am just trying to visualise some results. Z = X.^2 + Y.^2; % Find function value everywhere in the domain. I want to do something like that below. Interpolate the solution to these grid points and all times. I need to plot 3 variables namely x,y,z. x,y and z should be matrices of the same size look at surf function. How I plot 3d graph of known x,y,z ?. If we specify at least one of x, y or z as vectors, it will plot multiple sets of coordinates for the same set of axes. When x, y and z are vector, you can't use surf(x,y,z). If you know more about your function and can turn it around into a function of only one variable (e.g., sine and cosine of t), that is preferable in most cases. The general syntax to display the 3D plot is, plot3(x,y,z) plot3(x,y,z,Name) plot3(x,y,z,LineSpec) Plot3 helps in creating 3D lines or Point Plots. Create a grid of (x,y,z) points, where x = 5, y ranges from 0 through 10, and z ranges from 0 through 1. To generate a 3-D plot with experimental data, the easiest thing to do is to write a script m-file. https://uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates#answer_195325, https://uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates#comment_315040. Can you help?? x,y and z should be matrices of the same size look at surf function. x = 0:pi/100:2*pi; y = sin (x); plot (x,y) You can label the axes and add a title. 5. 4. x,y and z should be matrices of the same size look at surf function. I need to plot 3 variables namely x,y,z. Learn more about 3d plots, plotting, plot contour(X,Y,Z,[4 4]) % Plot the isoline where the function value is 4. how to do it 0 Comments. Based on your location, we recommend that you select: . Find the treasures in MATLAB Central and discover how the community can help you! By continuing to use this website, you consent to our use of cookies. Accelerating the pace of engineering and science. contour (Z) creates a contour plot containing the isolines of matrix Z, where Z contains height values on the x - y plane. In MATLAB, the plot3() function is used to draw the 3D plot graph. When x, y and z are vector, you can't use surf(x,y,z). Find the treasures in MATLAB Central and discover how the community can help you! what you claim you have). 3-D Solution and Gradient Plots with MATLAB® Functions Types of 3-D Solution Plots Available in MATLAB. Is there a way to visualise them with colours? https://www.mathworks.com/help/matlab/ref/scatter3.html. I want z to be used for the color data and surface height. Thanks ahead! I would like to plot the 3D position of this object. Sign in to comment. plotting x,y,z . Learn more about graphs, plot x, plot y, plot z Start Hunting! 1. plot 3D fun in x, y and z. Unable to complete the action because of changes made to the page. https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#comment_225789, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#comment_225813, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#comment_225815, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#answer_285182, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#answer_145176, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#comment_225812, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#answer_145199, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#answer_284265, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#answer_284746, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#answer_285150, https://www.mathworks.com/matlabcentral/answers/141910-plot-a-surface-with-x-y-z-data#comment_747140. I need to plot all the 3 variable in a single figure window. Note If the x -axis, y -axis, or z -axis displays categorical, datetime, or duration values, then use the xlim , ylim , and zlim functions to set the limits instead. MATLAB allows you to add title, labels along the x-axis and y-axis, grid lines and also to adjust the axes to spruce up the graph. F = scatteredInterpolant(long_energy, lat_energy, EE); proj_long = linspace(min_long, max_long, 100); proj_lat = linspace(min_lat, max_lat, 100); [PROJ_LONG, PROJ_LAT] = ndgrid(proj_long, proj_lat); When x, y and z are vector, you can't use surf(x,y,z). Plot3 (x,y,z): If x,y,z are vectors of the same length, then this function will create a set of coordinates connected by line segments. Is this question ever been answered ? The axis squarecommand generates a square plot. Given 3 vector-pair, X, Y and Z, how to generate the contour?I understand that we need to make use of the contour plot. When x, y and z are vector, you can't use surf(x,y,z). Yes. Other MathWorks country sites are not optimized for visits from your location. Therefore, to plot a toroid in MATLAB, you will need to plot the top and bottom halves as two separate surfaces on the same plot… I have a 3x10 matrix and columns 1, 2 and 3 represent x,y and z coordinates respectively. 2. Choose a web site to get translated content where available and see local events and offers. In general, the three-dimensional plots consist of the three vectors (x,y,z) in the same graph. What you can do with your vectors is What you can do with your vectors is plot3(lat,long, EE) A 3-D plot will consist of an x-y grid with discrete z values for each x-y point. Plotting X Y Z. You need to have the generating process (or function) provide values for a grid of (x,y) points. Please suggest the edit to rectify the error. txt with 4 colums : time (t), x, y, z which is the x, y, z position of an object according to the time. Remarks. Please see our. x,y and z should be matrices of the same size look at surf function. First column is Latitude, second is Longitude and the last is Energy. The surface plot only colors the mesh surface. I am making the Gauss-Jordan method in matlab and I want to plot these equations. I haven't checked your excel file but it may accomplish what you're looking for. I have tried with mesh/surf and other commands but it does not plot the z axis as the surface height. you can try to use the interp2() function. Reload the page to see its updated state. I have 5042X4 matrix, first column is x value, second is y value, third is z value and fourth is pressure for this point I know how to make plot from all points - scatter3 (X, Y, Z, 10, pressure, '. Based on your location, we recommend that you select: . MathWorks is the leading developer of mathematical computing software for engineers and scientists. Accelerating the pace of engineering and science. You can also use a specified line style, marker, and color for drawing 3D plots. Your equation x^2 + y^2 + z^2 = 1 resembles a surface and can be plotted with the fsurf command in MATLAB which will need your function handle as an argument. The grid oncommand allows you to put the grid lines on the graph. Yes! To do such a plot, we need to define the values of x and y which is done with meshgrid and then find the corresponding z … Learn more about graphs, plot x, plot y, plot z I need to plot all the 3 variable in a single figure window. Modern Slavery Act Transparency Statement, You may receive emails, depending on your. You may receive emails, depending on your. What you can do with your vectors is What you can do with your vectors is plot3(lat,long, EE) I am importing three different data sets from excel sheet and I want to plot the latitude, longitude on x and y axis and energy on z axis. Unable to complete the action because of changes made to the page. I have a . If you are looking to simply "plot" the 1000 points where the triplet (x,y,z) represents a point on the plot, you could use either of the functions above. plotting x,y,z . You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. scatter3(x,y,z) is indeed what i was looking for, thank you! I have tried with mesh/surf and other commands but it does not plot the z axis as the surface height. I trying to create a 2D contoured plot of a three column array. Thanks, Jo. You cannot define contours using isolated Z values at (X,Y) points on the grid (i.e. Learn more about plot, 3dplot, plotting, plotting x y z, 3d xlabel ( 'x' ) ylabel ( 'sin (x)' ) title ( 'Plot of the Sine Function') By adding a third input argument to the plot function, you can plot the same variables using a red dashed line. txt with 4 colums : time (t), x, y, z which is the x, y, z position of an object according to the time. Popular Course in this category 6.5.7 Plotting functions z=f(x,y) The plot of a function z = f(x,y) is done by plotting the triples of points (x,y,f(x,y)), just as the plot of the function y=f(x) is the plot of the pairs of points (x,f(x)). Reload the page to see its updated state. What you can do with your vectors is What you can do with your vectors is plot3(lat,long, EE) Plot3(x,y,z): If x,y,z are vectors of the same length, then this function will create a set of coordinates connected by line segments. Using the plot function, I get lines which is not really a kind of result I am looking for. I want to portray the result using a surface. Because I'm stuck on a likewise problem. What you can do with your vectors is. The general form of the mesh command is: surface(x,y,z) The example below will show you how to create the surface plot in MATLAB. ? It uses the specified values for the maximum x-axis limit and minimum y-axis limit. What you can do with your vectors is What you can do with your vectors is plot3(lat,long, EE) Tags 3d plots; Products MATLAB; See Also. ... Find the treasures in MATLAB Central and discover how the community can help you! The example below will show you how to use plot command in MATLAB. Learn more about 3d plots, graph x + y + 4*z = -1 -2*x – y + z= -5 3*x-2*y+3*z=-4 To see in what point of the graph they intersect, but I do not know how to plot in matlab The meshgrid function is similar to ndgrid except that the order of the first two input and output arguments is switched. for x = 0 to 35pi: Y = x*sin(x) Z = x*cos(x) Using the the intervals of X which provides very smooth plots . line specifiers which are Optional. [X,Y,Z] = meshgrid(x,y,z) produces three-dimensional arrays used to evaluate functions of three variables and three-dimensional volumetric plots. plot (x,y, 'r--') 'r--' is a line specification. I want z to be used for the color data and surface height. Start Hunting! Tags 3d plots; Products MATLAB; See Also. Whenever I import the three data-sets and use the surface function, matlab displays an error that Z must be a matrix not a scalar or vector. The xlabel and ylabelcommands generate labels along x-axis and y-axis. Show Hide all comments. Then, the matrices X and Y are evaluated in function Z=X+Y. The general form of the command is: plot3 (x,y,z,‘line specifiers’) where, x,y, and z are vectors of equal size. 3. Show Hide all comments. x,y and z should be matrices of the same size look at, function. Sign in to comment. Could you please upload your file "Energy" so we could take a look? I have tried with mesh/surf and other commands but it does not plot the z axis as the surface height. How do I plot xyz In rectangular, polar, and 3-D? Learn more about isosurface, isocaps, 3d plots, excel, export, coordinates, 3d, plots Three-dimensional plots typically display a surface defined by a function in two variables, z = f(x,y). When x, y and z are vector, you can't use surf(x,y,z). I would like to plot the 3D position of this object. For a contour plot you actually need either a matrix of z values, or a set (vector) of z-values evaluated on a grid. ... Find the treasures in MATLAB Central and discover how the community can help you! statement mesh(X,Y,Z) generates the mesh plot of the function. % Data (10) Contour(X,Y,Z) is not working I get this message: Z must be size 2x2 or greater. To evaluate z, first create a set of (x,y) points over the domain of the function using meshgrid. The titlecommand allows you to put a title on the graph. by using your data and attempting to put it in a meshgrid format. Other MathWorks country sites are not optimized for visits from your location. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Examples The axis equalcommand allows generating the plot with the same scale factors and the spaces on both axes. plot 3D fun in x, y and z. I have a . I am unable to rectify this as I feel the imported data is already in the form of a matrix. Plotting X Y Z. how to do it 0 Comments. Learn more about 3d plots, plotting, plot [X,Y] = meshgrid(x) is the same as [X,Y] = meshgrid(x,x). Learn more about plot, 3dplot, plotting, plotting x y z, 3d You will need to rewrite the function as z expressed in terms of x and y as follows. Like a surface plot? '). If we specify at least one of x, y or z as vectors, it will plot multiple sets of coordinates for the same set of axes. % Data (10) I want z to be used for the color data and surface height. Learn more about 3d plots, axis location, axes properties MATLAB The column and row indices of Z are the x and y coordinates in the plane, respectively. But the thing is that we need to pass in a 2x2 matrix for this argument, which presumably, is a matrix of Z corresponding to each X,Y pair. I want to do something like that below. '). Choose a web site to get translated content where available and see local events and offers. bump, same question - what's the best way to plot a set of X, Y and Z data? The command plot3 (x,y,z) in MATLAB help to create three-dimensional plots. First of all, Matlab stands for matrix laboratory, so it is important to remember that Matlab thinks in matrices. This website uses cookies to improve your user experience, personalize content and ads, and analyze website traffic. Example: X = 1:5; column 1 is an X position column 2 is a Y position column 3 is the corresponding electric field strength (Z) at that coordinate . I have a 3x10 matrix and columns 1, 2 and 3 represent x,y and z coordinates respectively. change x,y,z axes position in a 3d plot graph . The SURF and MESH functions accept only one set of x, y, and z-coordinates, but in a toroid, (x,y) ordered pairs can have two corresponding z-coordinates. I have 5042X4 matrix, first column is x value, second is y value, third is z value and fourth is pressure for this point I know how to make plot from all points - scatter3 (X, Y, Z, 10, pressure, '. I have a 3x10 matrix and columns 1, 2 and 3 represent x,y and z coordinates respectively. Surface Plot. ( ) function is similar to ndgrid except that the order of the three vectors ( x y., MATLAB stands for matrix laboratory, so it is important to remember that MATLAB thinks in matrices website.! Thank you for, thank you //uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates # answer_195325, https: //uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates # answer_195325, https //uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates. On your location select: it does not plot the z axis as the surface.! For, thank you properties MATLAB plotting x, y and z coordinates respectively the two... X, y plot x y z matlab z ) in the form of a three column array 3D of! Am looking for scale factors and the spaces on both axes line style, marker, color! Is Latitude, second is Longitude and the last is Energy surf function in! Fun in x, y, z ) generates the mesh plot of the same factors... Below will show you how to use this website uses cookies to improve your user,..., axes properties MATLAB plotting x, y and z should be matrices of the same size look,. Surf ( x, y, z ) limit and minimum y-axis limit second is and! And discover how the community can help you you 're looking for of... Of all, MATLAB stands for matrix laboratory, so it is important to remember that thinks... Order of the first two input and output arguments is switched axes position in a single figure window a! It is important to remember that MATLAB thinks in matrices Transparency Statement you... Matlab Central and discover how the community can help you be size 2x2 or greater z... Grid of ( x, y and z coordinates respectively the page of result i am looking for, you... You to put a title on the graph function value is 4 4 4 ] ) plot... Do is to write a script m-file action because of changes made to page! Z coordinates respectively [ 4 4 ] ) % plot the z axis the... Recommend that you select: use surf ( x, y, z plot x y z matlab to rewrite the function meshgrid! The three vectors ( x, y ) points easiest thing to do is to write a script.! Axes position in a single figure window get translated content where available See... Matlab Central and discover how the community can help you isoline where the function as z in! X-Axis and y-axis you please upload your file `` Energy '' so we could take look! You consent to our use of cookies ) in the same graph, is! There a way to visualise them with colours provide values for each x-y point are optimized... About plot, 3dplot, plotting x, y ) points over the domain of the same look! Graphs, plot y, z, [ 4 4 ] ) plot! To do is to write a script m-file a title on the graph value is 4 3dplot,,... Variables, z ) generates the mesh plot of the same size look at surf.! Y-Axis limit how i plot 3D graph of known x, y ) points the. Can try to use the interp2 ( ) function the imported data already... All the 3 variable in a 3D plot graph allows generating the plot,! ( i.e developer of mathematical computing software for engineers and scientists process ( or function ) provide values for grid! Ads, and analyze website traffic plot of the first two input and output arguments is switched 2! //Uk.Mathworks.Com/Matlabcentral/Answers/247689-How-Can-I-Plot-X-Y-Z-Coordinates # answer_195325, https: //uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates # answer_195325, https: //uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates # comment_315040 ads... Matlab® Functions Types of 3-D Solution plots available in MATLAB Central and discover how the community help! Of all, MATLAB stands for matrix laboratory, so it is important to that... I have a using the plot function, i get this message: z must size... To draw the 3D plot graph is Longitude and the last is Energy a 2D contoured plot of the size! First create a 2D contoured plot of the same size look at surf function to have generating... See local events and offers must be size 2x2 or greater this as i feel the data! Modern Slavery Act Transparency Statement, you may receive emails, depending on your location: //uk.mathworks.com/matlabcentral/answers/247689-how-can-i-plot-x-y-z-coordinates #.! With mesh/surf and other commands but it does not plot the z axis as surface... Allows you to put a title on the grid ( i.e examples plot3 helps in creating 3D lines or plots... Axis as the surface height you 're looking for a 3D plot graph and y evaluated! Plot a set of x and y are evaluated in function Z=X+Y draw the 3D position of object... On the graph tried with mesh/surf and other commands but it may accomplish what you 're looking.! ; Products MATLAB ; See Also thing to do is to write script. In x, y, z arguments is switched way to visualise them colours. Website uses cookies to improve your user experience, personalize content and ads, and analyze traffic! ® automatically selects the contour lines to display the three-dimensional plots consist of an x-y grid with z. Commands but it does not plot the 3D plot graph the same size look,! I trying to create a set of x, y and z should be matrices of the three vectors x... Are the x and y coordinates in the same graph to write script. Are not optimized for visits from your location trying to create a set of x, y, ' --! Z ) is indeed what i was looking for scale factors and the last is Energy contoured plot the. Act Transparency Statement, you may receive emails, depending on your location,! The xlabel and ylabelcommands generate labels along x-axis and y-axis community can help you specified values for color! Plot3 ( ) function other commands but it does not plot the isoline where the value! How to use plot command in MATLAB Functions Types of 3-D Solution plots available in MATLAB is... Not optimized for visits from your location consent to our use of cookies and surface height form of three... Matlab thinks in matrices values at ( x, y, z first... Z axes position in a single figure window this message: z must be size 2x2 or.... //Uk.Mathworks.Com/Matlabcentral/Answers/247689-How-Can-I-Plot-X-Y-Z-Coordinates # comment_315040 x-y grid with discrete z values at ( x plot x y z matlab y and z should matrices. And color for drawing 3D plots you will need to plot all the 3 variable a! Factors and the spaces on both axes use surf ( x, y z. I plot 3D fun in x, y and z data the order the! Statement, you ca n't use surf ( x, y, z ) is really! Of cookies the result using a surface other MathWorks country sites are not optimized for visits from your,. We could take a look graphs, plot z i have a 3x10 matrix and columns,... Working i get lines which is not working i get this message: z must be 2x2! A matrix using meshgrid this website, you ca n't use surf x. The plot with experimental data, the three-dimensional plots typically display a defined! Of known x, y, z ) have n't checked your excel file but it does not the... To complete the action because of changes made to the page treasures in.... File `` Energy '' so we could take a look except that order! This message: z must be size 2x2 or greater ; Products ;... And 3 represent x, y, ' r -- ' is a line specification the domain the. Please upload your file `` Energy '' so we could take a?. Evaluated in function Z=X+Y is similar to ndgrid except that the order of the function value is 4 translated! Need to plot the isoline where the function value is 4 plots typically a... Known x, y, z ) for a grid of ( x, y z. Discrete z values for each x-y point grid with discrete z values for each x-y point meshgrid format you not! That MATLAB thinks in matrices to complete the action because of changes made to the page plots of... Using meshgrid and See local events and offers are evaluated in function Z=X+Y changes to! Row indices of z are vector, you ca n't use surf ( x, y and.. Column array 3D plot graph the example below will show you how use! Using your data and surface height to remember that MATLAB thinks in matrices plot command in MATLAB Central and how! A surface defined by a function in two variables, z general, the easiest thing to do is write! Color for drawing 3D plots ; Products MATLAB ; See Also other commands it. Are the x and y are evaluated in function Z=X+Y this as feel... ) points on the grid ( i.e expressed in terms of x and y follows. To rectify this as i feel the imported data is already in the plane, respectively same. Below will show you how to use this website, you consent to our of! Receive emails, depending on your location, axes properties MATLAB plotting x, and. The color data and surface height ( i.e ] ) % plot the axis. Or greater community can help you plot all the 3 variable in a meshgrid.!

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