Netsyms/SyMAT
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Add vpa(expr) to turn input into a number.

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This commit is contained in:
skylarmt 2015-01-30 12:47:28 -07:00
parent bed97ab785
commit d3e78ce6e9
1 changed files with 10 additions and 1 deletions
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11
src/net/apocalypselabs/symat/Functions.java
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@ -49,6 +49,7 @@ import static java.lang.Math.*;
import java.util.HashMap;
import javax.swing.JOptionPane;
import org.matheclipse.core.eval.EvalUtilities;
import org.matheclipse.core.interfaces.IExpr;
import org.matheclipse.parser.client.math.MathException;
/**
@ -109,6 +110,14 @@ public class Functions {
public String simplify(String expr) {
return sym("Simplify("+expr+")");
}
public Object vpa(String expr) {
IExpr ans = util.evaluate("N("+expr+")");
if (ans.isNumber()) {
return Double.parseDouble(ans.toString());
}
return ans.toString();
}
public double rad(double degrees) {
return degrees * (PI / 180);
@ -122,7 +131,7 @@ public class Functions {
return util.evaluate(input).toString();
}
// Shortcut for non-JS math evaluation.
// Shortcut for symja evaluation.
public String $(String input) {
return sym(input);
}