2014/10/16 上午 08:24:12

android Programming Glossary: sin

Query to get records based on Radius in SQLite?

http://stackoverflow.com/questions/3126830/query-to-get-records-based-on-radius-in-sqlite

improve this question You can create 4 new columns being sin and cos of lat and lon . Since cos a b cos a cos b sin a sin.. sin and cos of lat and lon . Since cos a b cos a cos b sin a sin b and other appearances of sin and cos like SIN 12.345.. and cos of lat and lon . Since cos a b cos a cos b sin a sin b and other appearances of sin and cos like SIN 12.345 PI 180..

Android - SQlite Getting nearest locations (with latitude and longitude)

http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude

that SQLite needs a custom external function for the Haversine formula calculating distance on a sphere but I haven't found.. sqlite It's suggesting to make 4 new columns for cos and sin values of lat and lng but is there any other not so redundant.. double trueCourse Math.toRadians bearing double lat Math.asin Math.sin latA Math.cos angularDistance Math.cos latA Math.sin..

Implement page curl on android?

http://stackoverflow.com/questions/3912849/implement-page-curl-on-android

2010 05 implementing ibooks page curling using.html void deform Vertex2f vi Current input vertex Vertex3f.. cross section intersected by our vertex in 3D space. r R sin theta Angle subtended by arc ST on the cone cross section... Angle subtended by arc ST on the cone cross section. beta asin vi.x R sin theta MAGIC v1.x r sin beta v1.y R A r 1 cos beta..

Page curl/turn effect in Android [duplicate]

http://stackoverflow.com/questions/4376962/page-curl-turn-effect-in-android

FFT library in android Sdk

http://stackoverflow.com/questions/9272232/fft-library-in-android-sdk

to recompute when size of FFT changes. double cos double sin public FFT int n this.n n this.m int Math.log n Math.log 2 Make.. must be power of 2 precompute tables cos new double n 2 sin new double n 2 for int i 0 i n 2 i cos i Math.cos 2 Math.PI.. n 2 for int i 0 i n 2 i cos i Math.cos 2 Math.PI i n sin i Math.sin 2 Math.PI i n public void fft double x double y..

Query to get records based on Radius in SQLite?

http://stackoverflow.com/questions/3126830/query-to-get-records-based-on-radius-in-sqlite

be the above query in SQLite sql android sqlite share improve this question You can create 4 new columns being sin and cos of lat and lon . Since cos a b cos a cos b sin a sin b and other appearances of sin and cos like SIN 12.345 PI 180.. improve this question You can create 4 new columns being sin and cos of lat and lon . Since cos a b cos a cos b sin a sin b and other appearances of sin and cos like SIN 12.345 PI 180 can be calculated in the program before running the.. this question You can create 4 new columns being sin and cos of lat and lon . Since cos a b cos a cos b sin a sin b and other appearances of sin and cos like SIN 12.345 PI 180 can be calculated in the program before running the query..

Android - SQlite Getting nearest locations (with latitude and longitude)

http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude

this is possible in MySql and I've done quite some research that SQLite needs a custom external function for the Haversine formula calculating distance on a sphere but I haven't found nothing yet that is written in Java and is functioning. Also.. questions 3126830 query to get records based on radius in sqlite It's suggesting to make 4 new columns for cos and sin values of lat and lng but is there any other not so redundant way java android sqlite geolocation share improve this.. point.y double angularDistance range EarthRadius double trueCourse Math.toRadians bearing double lat Math.asin Math.sin latA Math.cos angularDistance Math.cos latA Math.sin angularDistance Math.cos trueCourse double dlon Math.atan2..

Implement page curl on android?

http://stackoverflow.com/questions/3912849/implement-page-curl-on-android

able to do is this. I managed to find a page here http wdnuon.blogspot.com 2010 05 implementing ibooks page curling using.html void deform Vertex2f vi Current input vertex Vertex3f v1 First stage of the deformation Vertex3f vo Pointer to the.. R sqrt vi.x vi.x pow vi.y A 2 Now get the radius of the cone cross section intersected by our vertex in 3D space. r R sin theta Angle subtended by arc ST on the cone cross section. beta asin vi.x R sin theta MAGIC v1.x r sin beta v1.y R A.. intersected by our vertex in 3D space. r R sin theta Angle subtended by arc ST on the cone cross section. beta asin vi.x R sin theta MAGIC v1.x r sin beta v1.y R A r 1 cos beta sin theta v1.z r 1 cos beta cos theta Apply a basic rotation..

Page curl/turn effect in Android [duplicate]

http://stackoverflow.com/questions/4376962/page-curl-turn-effect-in-android

FFT library in android Sdk

http://stackoverflow.com/questions/9272232/fft-library-in-android-sdk

analysis public class FFT int n m Lookup tables. Only need to recompute when size of FFT changes. double cos double sin public FFT int n this.n n this.m int Math.log n Math.log 2 Make sure n is a power of 2 if n 1 m throw new RuntimeException.. is a power of 2 if n 1 m throw new RuntimeException FFT length must be power of 2 precompute tables cos new double n 2 sin new double n 2 for int i 0 i n 2 i cos i Math.cos 2 Math.PI i n sin i Math.sin 2 Math.PI i n public void fft double x.. power of 2 precompute tables cos new double n 2 sin new double n 2 for int i 0 i n 2 i cos i Math.cos 2 Math.PI i n sin i Math.sin 2 Math.PI i n public void fft double x double y int i j k n1 n2 a double c s t1 t2 Bit reverse j 0 n2 n 2 for..