graph - Matlab 3D plot quadratic? -


how plot 3d graph of quadratic funciton. here code 2d plot there anyway adapt 3d code ?

z = (startv2:step:endv2); y = (a2.*(z.^2))+(b2.*z)+c2; plot(z,y); text(value1,0, ['x1 = ',num2str(value1),' ']); text(value2,0, ['x2 = ',num2str(value2)]); grid

these matlab functions might help:

plot3

or

contour3

or

surf

depending on want show. matlab (click on functions above) has examples of them.


Comments

Post a Comment

Popular posts from this blog

Java sticky instances of class com.mysql.jdbc.Field aggregating -

i noticed (via jmap+jhat) app leaking storing many instances com.mysql.jdbc.field  class - double checked code make sure closing preparedstatements, find few missing didn't change outcome. - preparedstatement created , closed right away - several others created @ start , reused many times - using org.apache.tomcat.jdbc.pool.datasource connection pool what can cause type of behavior? are closing of preparedstatements / result sets using: preparedstatement stmt (possible assignment here); try { // work prepared statement resultset rs; try { while (rs.next()) ... // process results } { rs.close(); } } { stmt.close(); } so guarantee result sets closed when finished (regardless of exceptions) , statements closed (regardless of exceptions)? there other ways write that, idea same. if you're doing of properly, unless have many references it's taking inordinate amount of memory, it's ok , nothing needs done it.
Read more