Examples of the Processes of the Differential and Integral CalculusJ. and J.J. Deighton, 1846 - 529 стор. |
З цієї книги
Результати 1-5 із 25
Сторінка 36
Duncan Farquharson Gregory. rentials in terms of the new variables , because one is supposed to vary while the others are constant . To introduce this condition we proceed as follows . Let for example there be a double integral ffVda dy ...
Duncan Farquharson Gregory. rentials in terms of the new variables , because one is supposed to vary while the others are constant . To introduce this condition we proceed as follows . Let for example there be a double integral ffVda dy ...
Сторінка 50
... supposed to be a function of the other , and we may write dz dx = dz F dy Eliminating the function F from this equation there results d2x ď2 z 2 - = 0 . dx2 dy dx dy This is the differential equation to developable surfaces . ( 24 ) ...
... supposed to be a function of the other , and we may write dz dx = dz F dy Eliminating the function F from this equation there results d2x ď2 z 2 - = 0 . dx2 dy dx dy This is the differential equation to developable surfaces . ( 24 ) ...
Сторінка 129
... supposed to have lived about the sixth century of our era , was invented by him for the purpose of constructing the solution of the problem of finding two mean proportionals . The curve is generated in the follow- ing manner : In the ...
... supposed to have lived about the sixth century of our era , was invented by him for the purpose of constructing the solution of the problem of finding two mean proportionals . The curve is generated in the follow- ing manner : In the ...
Сторінка 176
... supposed to remain n perpendicular to each other , this angle must be taken in a plane perpendicular to that of the original axes . Hence , if there be a series of values of y all affected by the same quantity ( + ) " , they will give ...
... supposed to remain n perpendicular to each other , this angle must be taken in a plane perpendicular to that of the original axes . Hence , if there be a series of values of y all affected by the same quantity ( + ) " , they will give ...
Сторінка 219
... v ' = 2x , ( w ) = 0 , ( u ' ) = 0 , 6 % , w ' = 0 , ( v ' ) = 0 , ( w ' ) = 0 . the locus of the tangent lines becomes ax2 + by2 = 0 , which , a and b being supposed to be both APPLICATION TO GEOMETRY OF THREE DIMENSIONS . 219.
... v ' = 2x , ( w ) = 0 , ( u ' ) = 0 , 6 % , w ' = 0 , ( v ' ) = 0 , ( w ' ) = 0 . the locus of the tangent lines becomes ax2 + by2 = 0 , which , a and b being supposed to be both APPLICATION TO GEOMETRY OF THREE DIMENSIONS . 219.
Зміст
9 | |
28 | |
43 | |
52 | |
62 | |
77 | |
79 | |
94 | |
224 | |
237 | |
249 | |
271 | |
282 | |
291 | |
340 | |
351 | |
129 | |
132 | |
144 | |
162 | |
175 | |
188 | |
200 | |
386 | |
400 | |
412 | |
440 | |
464 | |
506 | |
Інші видання - Показати все
Загальні терміни та фрази
a₁ a² b2 a²x² angle arbitrary constant assume asymptote becomes branches C₁ c²x² circle co-ordinates condition Crelle's Journal curvature curve cycloid determine differential coefficients differential equation dx dx dx dy dx² dy dy dy dz dy² dz dz eliminate ellipse equal Euler factor formula fraction function gives Hence hypocycloid infinite Integrating with respect intersection John Bernoulli Let the equation lines of curvature locus logarithmic logarithmic spiral Mémoires multiplying negative origin parabola perpendicular radius SECT singular points singular solution spiral Substituting subtangent surface tangent plane theorem triangle vanish whence x²)³
Популярні уривки
Сторінка 133 - ... non inconcinne adhiberi posse. Quoniam enim semper sibi similem et eandem spiram gignit, utcunque volvatur, evolvatur, radiet ; hinc poterit esse vel sobolis parentibus per omnia similis emblema...
Сторінка 98 - This is the celebrated problem of the form of the cells of bees. Maraldi was the first who measured the angles of the faces of the terminating solid angle, and he found them to be 109° 28' and 70° 32
Сторінка 120 - AS' is traced a second time ; thus, the curve is traced twice by one revolution of the radius-vector. THE CONCHOID OF NICOMEDES.* 150. This curve was invented by Nicomedes, who lived about the second century of our era, and was, like the preceding, first formed for the purpose of solving the problem of finding two mean proportionals, or the duplication of the cube ; but it is more readily applicable to another problem not less celebrated among the ancients, that of the trisection of an angle. The...
Сторінка 133 - Lumine emanans eidem o.adötoi,- existit, qualiscumque adumbratio. Aut, si mavis, quia Curva nostra mirabilis in ipsa mutatione semper sibi constantissime manet similis et numero eadem, poterit esse vel fortitudinis et...
Сторінка 117 - Find that point within a triangle, from which if lines be drawn to the angular points, the sum of their squares shall be a minimum.
Сторінка 430 - II. (if + z* — x*} p — 12. Required the equation of the surface which cuts at right angles all the spheres which pass through the origin of coordinates and have their centres in the axis of x. It will be found that this leads to the partial differential equation of the last problem.
Сторінка 440 - Find the surface in which the coordinates of the point where the normal meets the plane of xy are proportional to the corresponding coordinates of the surface.
Сторінка 117 - To find a point within a triangle from which if lines be drawn to the angular points their sum may be the least possible.
Сторінка 409 - ... be lengthened. Newton found that the length of the polar must be to that of the equatorial canal as 229 to 230, or that the earth's polar radius must be seventeen miles less than its equatorial radius : that is, that the figure of the earth is an oblate spheroid, formed by the revolution of an ellipse round its lesser axis. Hence it follows, that the intensity of gravity at any point of the earth's surface is in the inverse ratio of the distance of that point from the centre, and consequently...
Сторінка 405 - OY their common perpendicular at their point of intersection 0, and a the radius of the base of each cylinder. Then the figure represents one eighth of the required volume V. A plane passed perpendicular...